OFFSET
1,2
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
KEYWORD
nonn
AUTHOR
Karol A. Penson, Jun 16 2002
EXTENSIONS
More terms from Robert G. Wilson v, Jul 17 2002
STATUS
approved