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A113373
Column 3 of triangle
A113370
, also equals column 0 of
A113370
^10.
3
1, 10, 190, 4945, 163705, 6617605, 317416204, 17677189426, 1123660618048, 80411135580587, 6405386721320372, 562632770359355432, 54061761393693393203, 5643864294810397451552, 636388356169482970183598
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OFFSET
0,2
COMMENTS
Column k of
A113370
= column 0 of
A113370
^(3*k+1) for k>=0.
LINKS
Table of n, a(n) for n=0..14.
PROG
(PARI) a(n)=local(A, B); A=Mat(1); for(m=2, n+4, B=matrix(m, m); for(i=1, m, for(j=1, i, if(i<3 || j==i || j>m-1, B[i, j]=1, if(j==1, B[i, 1]=1, B[i, j]=(A^(3*j-2))[i-j+1, 1])); )); A=B); A[n+4, 4]
CROSSREFS
Cf.
A113370
,
A113371
(column 1),
A113372
(column 2).
Sequence in context:
A033714
A169959
A131521
*
A211826
A144772
A045756
Adjacent sequences:
A113370
A113371
A113372
*
A113374
A113375
A113376
KEYWORD
nonn
AUTHOR
Paul D. Hanna
, Nov 13 2005
STATUS
approved
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Last modified July 7 08:10 EDT 2024. Contains 374069 sequences. (Running on oeis4.)