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A016995 (7*n+1)^3. 1
1, 512, 3375, 10648, 24389, 46656, 79507, 125000, 185193, 262144, 357911, 474552, 614125, 778688, 970299, 1191016, 1442897, 1728000, 2048383, 2406104, 2803221, 3241792, 3723875, 4251528, 4826809 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

FORMULA

G.f.: (216*x^3+1333*x^2+508*x+1)/(1-x)^4. - Vincenzo Librandi, Jan 27 2013

MATHEMATICA

CoefficientList[Series[(216*x^3 + 1333*x^2 + 508*x + 1)/(1 - x)^4, {x, 0, 30}], x] (* Vincenzo Librandi, Jan 27 2013 *)

PROG

(MAGMA) [(7*n+1)^3: n in [0..40]]; // Vincenzo Librandi, Jul 13 2011

CROSSREFS

Sequence in context: A253985 A253978 A250574 * A254092 A254085 A197710

Adjacent sequences:  A016992 A016993 A016994 * A016996 A016997 A016998

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified December 3 04:39 EST 2016. Contains 278698 sequences.