

A176776


a(n) = 2^nn*(n2).


2



1, 3, 4, 5, 8, 17, 40, 93, 208, 449, 944, 1949, 3976, 8049, 16216, 32573, 65312, 130817, 261856, 523965, 1048216, 2096753, 4193864, 8388125, 16776688, 33553857, 67108240, 134217053, 268434728, 536870129, 1073740984, 2147482749
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OFFSET

0,2


LINKS



FORMULA

G.f.: ( 12*x2*x^2+5*x^3 ) / ( (2*x1)*(x1)^3 ).  R. J. Mathar, Feb 18 2016


MATHEMATICA

Table[2^nn*(n2), {n, 0, 5!}]


CROSSREFS



KEYWORD

nonn,easy


AUTHOR



STATUS

approved



