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A133751 a(n) = 2*(2+n)! + 2^n. 1
5, 14, 52, 248, 1456, 10112, 80704, 725888, 7257856, 79834112, 958004224, 12454043648, 174356586496, 2615348744192, 41845579792384, 711374856224768, 12804747411521536, 243290200817795072, 4865804016353542144 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
MAPLE
A133751 := proc(n) 2*(n+2)!+2^n ; end proc: # R. J. Mathar, Sep 09 2011
MATHEMATICA
Table[2*(2 + n)! + 2^n, {n, 0, 20}]
PROG
(Magma) [2*Factorial(2+n)+2^n: n in [0..20]]; // Vincenzo Librandi, Sep 13 2011
CROSSREFS
Sequence in context: A054664 A091218 A197601 * A005504 A146746 A073541
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Dec 31 2007
STATUS
approved

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Last modified March 29 08:49 EDT 2024. Contains 371268 sequences. (Running on oeis4.)