The On-Line Encyclopedia of Integer Sequences (OEIS)

A377608 revision #32

A377608

E.g.f. satisfies A(x) = exp( x * A(x) / (1-x) ) / (1-x)^2.

1, 3, 19, 202, 3085, 61886, 1544029, 46182900, 1612759369, 64455582394, 2902794546961, 145497909334856, 8035136800888333, 484821204654219798, 31735810390729211173, 2240132583683741633116, 169624462686462529305745, 13715713402047448280358002, 1179576532854283015832748697

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OFFSET

0,2

LINKS

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

PROG

(PARI) a(n) = n!*sum(k=0, n, (k+1)^(k-1)*binomial(n+2*k+1, n-k)/k!);

CROSSREFS

Sequence in context: A208897 A027546 A301419 * A201827 A230321 A108993

Adjacent sequences: A377605 A377606 A377607 * A377609 A377610 A377611

KEYWORD

nonn

AUTHOR

Seiichi Manyama, Nov 14 2024

STATUS

editing