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
a(11) corrected and a(17) from Sean A. Irvine, Sep 28 2024
STATUS
approved