A072402 a(n) = 6^n *sum_{k=1..infinity} Gamma(n+k/6)/ (k!*Gamma(k/6) *exp(1)), where Gamma is Capital-Greek-Gamma, the Gamma-function.

1, 8, 113, 2283, 59956, 1937111, 74285023, 3296959548, 166209034083, 9380840313601, 58597181530233, 40131720225336433, 2990153392901281153, 240791249514701885728, 20839616039099721143561, 1928991192695402634245651

Offset

1,2

Links

Table of n, a(n) for n=1..16.

Mathematica

a[n_] := 6^n*Sum[Gamma[n + k/6]/(k!*Gamma[k/6]), {k, 1, Infinity}]/Exp[1]; Table[ a[n], {n, 1, 16}]

Crossrefs

Sequence in context: A259590 A155460 A064090 * A092084 A346985 A099715

Adjacent sequences: A072399 A072400 A072401 * A072403 A072404 A072405

Keyword

nonn

Author

Karol A. Penson, Jun 16 2002

Extensions

More terms from Robert G. Wilson v, Jul 17 2002

Status

approved