A017321 a(n) = (10*n + 4)^5.

1024, 537824, 7962624, 45435424, 164916224, 459165024, 1073741824, 2219006624, 4182119424, 7339040224, 12166529024, 19254145824, 29316250624, 43204003424, 61917364224, 86617093024, 118636749824

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).

Formula

G.f.: 32*(32 + 16615*x + 148470*x^2 + 178330*x^3 + 31310*x^4 + 243*x^5)/(x-1)^6. - R. J. Mathar, Mar 20 2018

Mathematica

(10 Range[0, 20]+4)^5 (* or *) LinearRecurrence[{6, -15, 20, -15, 6, -1}, {1024, 537824, 7962624, 45435424, 164916224, 459165024}, 20] (* Harvey P. Dale, Apr 25 2018 *)

Prog

(Magma) [(10*n+4)^5: n in [0..30] ]; // Vincenzo Librandi, Aug 01 2011

Crossrefs

Sequence in context: A269293 A017213 A221092 * A223267 A017441 A222102

Adjacent sequences: A017318 A017319 A017320 * A017322 A017323 A017324

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved