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A017031
a(n) = (7*n + 4)^3.
1
64, 1331, 5832, 15625, 32768, 59319, 97336, 148877, 216000, 300763, 405224, 531441, 681472, 857375, 1061208, 1295029, 1560896, 1860867, 2197000, 2571353, 2985984, 3442951, 3944312, 4492125, 5088448
OFFSET
0,1
FORMULA
G.f.: (64 + 1075*x + 892*x^2 + 27*x^3)/(x-1)^4. - R. J. Mathar, Jul 07 2017
MATHEMATICA
(7Range[0, 30]+4)^3 (* or *) LinearRecurrence[{4, -6, 4, -1}, {64, 1331, 5832, 15625}, 30] (* Harvey P. Dale, Jun 01 2021 *)
PROG
(Magma) [(7*n+4)^3: n in [0..40] ]; // Vincenzo Librandi, Jul 16 2011
CROSSREFS
Sequence in context: A240788 A240294 A226086 * A333812 A283812 A264086
KEYWORD
nonn,easy
STATUS
approved