A017524 (12n)^4.

0, 20736, 331776, 1679616, 5308416, 12960000, 26873856, 49787136, 84934656, 136048896, 207360000, 303595776, 429981696, 592240896, 796594176, 1049760000, 1358954496, 1731891456, 2176782336

Offset

0,2

Links

Table of n, a(n) for n=0..18.

Index entries for linear recurrences with constant coefficients, signature (5, -10, 10, -5, 1).

Mathematica

(12*Range[0, 20])^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {0, 20736, 331776, 1679616, 5308416}, 20] (* Harvey P. Dale, Mar 30 2016 *)

Crossrefs

Sequence in context: A176771 A223237 A017404 * A223325 A180691 A103282

Adjacent sequences: A017521 A017522 A017523 * A017525 A017526 A017527

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved