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A131471 a(n)=n^5+n. 4
0, 2, 34, 246, 1028, 3130, 7782, 16814, 32776, 59058, 100010, 161062, 248844, 371306, 537838, 759390, 1048592, 1419874, 1889586, 2476118, 3200020, 4084122, 5153654, 6436366, 7962648, 9765650, 11881402, 14348934, 17210396, 20511178 (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.: 2*x*(1+11*x+36*x^2+11*x^3+x^4)/(-1+x)^6. - R. J. Mathar, Nov 14 2007

PROG

(MAGMA)[n^5+n: n in [0..30]]: // Vincenzo Librandi, Oct 01 2011

(PARI) a(n) = n^5+n; \\ Michel Marcus, Apr 02 2016

CROSSREFS

Cf. A002378, A007531, A034262, A091940, A058895, A059826.

Sequence in context: A259108 A064202 A206624 * A318268 A036827 A136362

Adjacent sequences:  A131468 A131469 A131470 * A131472 A131473 A131474

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian, Jul 27 2007

STATUS

approved

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Last modified February 20 04:12 EST 2020. Contains 332063 sequences. (Running on oeis4.)