A121293 - OEIS

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A121293

a(n) = Bell(3*n+2).

2, 52, 4140, 678570, 190899322, 82864869804, 51724158235372, 44152005855084346, 49631246523618756274, 71339801938860275191172, 128064670049908713818925644 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	FORMULA	`E.g.f.: exp(-1)Sum(n^2exp(n^3*x)/n!,n=0..infinity).`
	CROSSREFS	`Cf. A000110, A070906.` `Sequence in context: A101930 A174779 A099882 * A057106 A080973 A079179` `Adjacent sequences: A121290 A121291 A121292 * A121294 A121295 A121296`
	KEYWORD	`easy,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 24 2006`

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Last modified February 16 17:46 EST 2012. Contains 205939 sequences.