OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
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
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Dec 31 2007
STATUS
approved