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A102919 Row sums of triangle A102916. 0
1, 3, 8, 24, 95, 472, 3010, 22508, 198157, 1969757, 22006039, 272436985, 3691859826, 54696947677, 872698586012, 15055534230363, 276756250035637, 5449734493500830, 113510195694700702, 2512765185249336397 (list; graph; refs; listen; history; text; internal format)
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 * A102476 A302109 A220486

Adjacent sequences:  A102916 A102917 A102918 * A102920 A102921 A102922

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jan 21 2005

STATUS

approved

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Last modified February 22 01:04 EST 2019. Contains 320381 sequences. (Running on oeis4.)