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A111539 Row sums of triangle A111536. 1
1, 2, 7, 34, 211, 1564, 13291, 126430, 1326211, 15184744, 188348659, 2515991290, 36018842875, 550317892372, 8940695112331, 153950966471734, 2801321782936819, 53720913548093344, 1083061044893428675 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..18.

PROG

(PARI) {a(n)=if(n<0, 0, sum(k=1, n+1, (matrix(n+k, n+k, m, j, if(m==j, 1, if(m==j+1, -m+1, -(m-j-1)*polcoeff(log(sum(i=0, m, (i+1)!/1!*x^i)), m-j-1))))^-1)[n+1, k]))}

CROSSREFS

Cf. A111536.

Sequence in context: A002720 A234239 A249833 * A074059 A177401 A171792

Adjacent sequences:  A111536 A111537 A111538 * A111540 A111541 A111542

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Aug 06 2005

STATUS

approved

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Last modified December 18 20:17 EST 2014. Contains 252174 sequences.