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A113390
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Column 1 of triangle A113389, also equals column 0 of A113370^6.
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2
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1, 6, 66, 1091, 24891, 737061, 27110418, 1199197442, 62240034172, 3718021355407, 251730371459590, 19076604651022143, 1601423150451641820, 147628858305489901288, 14834881996161804192069
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OFFSET
| 0,2
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FORMULA
| Column k of A113389 = column 0 of A113370^(3*k+3) for k>=0.
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PROG
| (PARI) {a(n)=local(A, B); A=Mat(1); for(m=2, n+1, 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^6)[n+1, 1]}
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CROSSREFS
| Cf. A113389, A113378 (column 0), A113391 (column 2), A113370.
Sequence in context: A008548 A090358 A112942 * A122020 A126459 A054969
Adjacent sequences: A113387 A113388 A113389 * A113391 A113392 A113393
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KEYWORD
| nonn
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AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Nov 14 2005
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