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A113094 Diagonal of square table A113092; also, a(n) equals the n-th term in column 0 of the matrix (n+1)-th power of triangle A113095. 1
1, 2, 27, 1504, 330745, 289031301, 1011348629263, 14213347986246578, 802722082112213275116, 182118530044524172384716760, 165892108866362877173717099499469 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..11.

PROG

(PARI) {a(n, q=4)=local(M=matrix(n+1, n+1)); for(r=1, n+1, for(c=1, r, M[r, c]=if(r==c, 1, if(c>1, (M^q)[r-1, c-1])+(M^q)[r-1, c]))); return(if(n<1, 0, (M^n)[n, 1]))}

CROSSREFS

Cf. A113092, A113095.

Sequence in context: A067075 A015217 A320417 * A327128 A320669 A299116

Adjacent sequences:  A113091 A113092 A113093 * A113095 A113096 A113097

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Oct 14 2005

STATUS

approved

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Last modified June 12 10:58 EDT 2021. Contains 344947 sequences. (Running on oeis4.)