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A121292 a(n) = Bell(3*n+1). 0
1, 15, 877, 115975, 27644437, 10480142147, 5832742205057, 4506715738447323, 4638590332229999353, 6160539404599934652455, 10293358946226376485095653 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..10.

FORMULA

E.g.f.: exp(-1)*Sum(n*exp(n^3*x)/n!,n=0..infinity).

MATHEMATICA

Table[ BellB[3*n + 1], {n, 0, 10}]  (* Jean-Fran├žois Alcover, Dec 13 2012 *)

CROSSREFS

Cf. A070906.

Sequence in context: A270962 A223818 A208349 * A208304 A258796 A232364

Adjacent sequences:  A121289 A121290 A121291 * A121293 A121294 A121295

KEYWORD

easy,nonn

AUTHOR

Vladeta Jovovic, Aug 24 2006

STATUS

approved

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Last modified July 15 16:29 EDT 2019. Contains 325049 sequences. (Running on oeis4.)