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A017021 a(n) = (7*n + 3)^5. 1
243, 100000, 1419857, 7962624, 28629151, 79235168, 184528125, 380204032, 714924299, 1252332576, 2073071593, 3276800000, 4984209207, 7339040224, 10510100501, 14693280768, 20113571875, 27027081632, 35723051649, 46525874176 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

Index entries for linear recurrences with constant coefficients, signature (6, -15, 20, -15, 6, -1).

MATHEMATICA

(7*Range[0, 20]+3)^5 (* or *) LinearRecurrence[{6, -15, 20, -15, 6, -1}, {243, 100000, 1419857, 7962624, 28629151, 79235168}, 20] (* Harvey P. Dale, Aug 27 2017 *)

PROG

(MAGMA) [(7*n+3)^5: n in [0..35]]; // Vincenzo Librandi, Jul 14 2011

CROSSREFS

Sequence in context: A216328 A086649 A184691 * A017105 A017201 A017309

Adjacent sequences:  A017018 A017019 A017020 * A017022 A017023 A017024

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 25 17:22 EDT 2021. Contains 348255 sequences. (Running on oeis4.)