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A017151
a(n) = (8*n + 7)^3.
1
343, 3375, 12167, 29791, 59319, 103823, 166375, 250047, 357911, 493039, 658503, 857375, 1092727, 1367631, 1685159, 2048383, 2460375, 2924207, 3442951, 4019679, 4657463, 5359375, 6128487, 6967871
OFFSET
0,1
FORMULA
G.f.: ( 343 + 2003*x + 725*x^2 + x^3 ) / ( (x-1)^4 ). - R. J. Mathar, Aug 26 2015
MATHEMATICA
(8*Range[0, 30]+7)^3 (* or *) LinearRecurrence[{4, -6, 4, -1}, {343, 3375, 12167, 29791}, 30] (* Harvey P. Dale, Sep 23 2015 *)
PROG
(Magma) [(8*n+7)^3: n in [0..35]]; // Vincenzo Librandi, Jul 22 2011
CROSSREFS
Sequence in context: A016983 A267321 A134738 * A017247 A017355 A167727
KEYWORD
nonn,easy
STATUS
approved