A102919 Row sums of triangle A102916.

1, 3, 8, 24, 95, 472, 3010, 22508, 198157, 1969757, 22006039, 272436985, 3691859826, 54696947677, 872698586012, 15055534230363, 276756250035637, 5449734493500830, 113510195694700702, 2512765185249336397

Offset

0,2

Links

Table of n, a(n) for n=0..19.

Prog

(PARI) {T(n, k)=if(n<k, 0, if(n==k, k+1, polcoeff(k+1-sum(i=k, n-1, T(i, k)*x^i*prod(j=1, (i-k)\2+1, 1-(j+k)*x+x*O(x^n))), n)))} \ /* A102916 */ {a(n)=sum(k=0, n, T(n, k))}

Crossrefs

Cf. A102916.

Sequence in context: A071016 A174662 A002104 * A363212 A102476 A348418

Adjacent sequences: A102916 A102917 A102918 * A102920 A102921 A102922

Keyword

nonn

Author

Paul D. Hanna, Jan 21 2005

Status

approved