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Option Explicit
Dim a(6) As Integer
Sub Macro1()
Sheets("Sheet1").Select
Cells(1, 1).Value = 0
Range("A1").Select
Call saiki(1)
End Sub
Sub saiki(ByVal n As Integer)
Dim j As Integer
a(n) = 1
While a(n) <= 6
If onaji(n) = 0 Then
If n < 6 - 1 Then
Call saiki(n + 1)
Else
a(6) = 6
For j = 1 To 6 - 1
a(6) = a(6) + j - a(j)
Next j
Call check(1)
End If
End If
a(n) = a(n) + 1
Wend
End Sub
Sub check(ByVal x As Integer)
Dim b(6) As Integer
Dim dame As Integer
Dim j As Integer
For j = 1 To 6
b(j) = a(a(a(a(a(a(a(j)))))))
Next j
dame = 0
j = 1
While dame = 0 And j <= 6
If b(j) <> a(j) Then
dame = 1
Else
j = j + 1
End If
Wend
If dame = 0 Then
Cells(1, 1).Value = Cells(1, 1).Value + 1
For j = 1 To 6
Cells(Cells(1, 1).Value, j + 1).Value = a(j)
Next j
End If
End Sub
Private Function onaji(ByVal n As Integer) As Integer
Dim j As Integer
onaji = 0
j = 1
While onaji = 0 And j < n
If a(j) = a(n) Then
onaji = 1
Else
j = j + 1
End If
Wend
End Function
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#33474
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¤Þ¤º¡¤³ÉÍð¿ôÎó½çÎó a(n) ¤Ï¡¤¾ÚÌÀ¤Ïά¤·¤Þ¤¹¤¬¡¤
a(n) = (n-1) * (a(n-1) + a(n-2))
a(1) = 0
a(2) = 1
a(3) = 2
a(4) = 9
a(5) = 44
a(6) = 265
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[111111] ¤Ë¤Ï»È¤¨¤Þ¤»¤ó¡£¤³¤Î¾ì¹ç¤Ï 1 Ä̤ꡣ
[11112]¡¤[1113]¡¤[1122]¡¤[123] ¤Ç¤Ï¡¤2 ¤ÎÃæ¤ÎʤÙÂؤ¨¡¤3 ¤ÎÃæ¤ÎʤÙÂؤ¨¤Ç»È¤¨¤Æ a(2) Ä̤ê¤È a(3) Ä̤ꡣ
[222]¡¤[33]¡¤[6] ¤Ï¡¤a(6) ¤«¤é [24] ¤ò°ú¤±¤Ð¤¤¤¤¤Ç¤¹¤¬¡¤[24] ¤Î [4] ¤ÎÃæ¤ÎʤÙÂؤ¨¤Ï [22] ¤Îʬ¤ò°ú¤«¤Ê¤¤¤È¤¤¤±¤Ê¤¤¤Î¤Ç¡¤
a(4) ¤Ç¤Ï¤Ê¤¯ a(4) - 4C2 * 2C2 * 1/2! * a(2) * a(2) ¤Ê¤Î¤ËÍ×Ãí°Õ¤Ç¤¹¡£
¤½¤³¤Ç¡¤·ë¶É¡¤
1 + 6C2 * a(2) + 6C3 * a(3) + 6C2 * 4C2 * 1/2! * a(2) * a(2) + 6C2 * 4C3 * a(2) * a(3)
+ (a(6) - 6C2 * a(2) * (a(4) - 4C2 * 2C2 * 1/2! * a(2) * a(2)))
= 1 + 15 * 1 + 20 * 2 + 15 * 6 * 1/2 * 1 * 1 + 15 * 4 * 1 * 2 + (265 - 15 * 1 * (9 - 6 * 1 * 1/2 * 1 * 1))
= 1 + 15 + 40 + 45 + 120 + (265 - 90)
= 1 + 15 + 40 + 45 + 120 + 175
= 396 Ä̤ê
Á´ÂΤ«¤é°ú¤¯¾ì¹ç¤âƱÍͤˤǤ­¤Þ¤¹¤¬¡¤É¬¤º¤·¤â³Ú¤Ç¤Ï¤Ê¤¤¤è¤¦¤Ç¤¹¡£
6! - 6C4 * (a(4) - 4C2 * 2C2 * 1/2! * a(2) * a(2)) * 2 - 6C5 * (a(5) - 5C2 * 3C3 * a(2) * a(3))
= 720 - 15 * (9 - 6 * 1 * 1/2 * 1 * 1) * 2 - 6 * (44 - 10 * 1 * 1 * 2)
= 720 - 180 - 144
= 396 Ä̤ê
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a¤¬Á«°Ü¹ÔÎó¡¢x,xd¤¬°ÌÃÖ¤òɽ¤¹¾õÂÖÊÑ¿ô
m¤¬Åú¤Î²ó¿ô
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xd=[1 2 3 4 5 6]';
x=[1 2 3 4 5 6]';
m=0;
p=perms(1:6);
for k=1:720;
a=zeros(6);
b=p(k,:);
a(1,b(1))=1;
a(2,b(2))=1;
a(3,b(3))=1;
a(4,b(4))=1;
a(5,b(5))=1;
a(6,b(6))=1;
xd=x;
%
for ii=1:6;
xd=a'*xd;
end;
if xd==x, m=m+1;end;
end;
m
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0 0 1 0 0 0
0 0 0 1 0 0
1 0 0 0 0 0
0 1 0 0 0 0 ¡¡¡¡¤Î¤è¤¦¤Ê£¶¡ß£¶¹ÔÎó¤Î¤¦¤Á¡¢£¶¾è¤·¤Æñ°Ì¹ÔÎó¤Ë¤Ê¤ë¤â¤Î
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0 0 0 0 1 0

M=0;
A=newmat(6,6);
E=newmat(6,6);

for(I=0;I<=5;I++){E[I][I]=1;}

for(I0=0;I0<=5;I0++){
for(I1=0;I1<=5;I1++){
for(I2=0;I2<=5;I2++){
for(I3=0;I3<=5;I3++){
for(I4=0;I4<=5;I4++){
for(I5=0;I5<=5;I5++){

A=newmat(6,6);

A[0][I0]=1;A[1][I1]=1;A[2][I2]=1;
A[3][I3]=1;A[4][I4]=1;A[5][I5]=1;

if(A^6==E){M++;}

}}}}}}
return M;

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3¸ÄÆ°¤¯¤È¤­¤À¤±¡Ê3¸ÄÆ°¤«¤Ê¤¤¡Ë¡§2*6C3=40
4¸ÄÆ°¤¯¤È¤­¤À¤±¡Ê2¸ÄÆ°¤«¤Ê¤¤¡Ë¡§6C2*4C2=90
5¸ÄÆ°¤¯¤È¤­¤À¤±¡Ê1¸ÄÆ°¤«¤Ê¤¤¡Ë¡§2*6C3*3C2=120

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