A085526 a(n) = n^(2n+1).

0, 1, 32, 2187, 262144, 48828125, 13060694016, 4747561509943, 2251799813685248, 1350851717672992089, 1000000000000000000000, 895430243255237372246531, 953962166440690129601298432, 1192533292512492016559195008117, 1728673739677471101567216945987584, 2876265888493261300027370452880859375

Offset

0,3

Links

G. C. Greubel, Table of n, a(n) for n = 0..200

Formula

a(n) = n*A062206(n). - R. J. Mathar, Mar 11 2017

a(n) = [x^(2*n+1)] 1/(1 - n*x). - Ilya Gutkovskiy, Oct 10 2017

a(n) = A089072(2*n-1, n-1). - G. C. Greubel, Nov 01 2022

Mathematica

Table[n^(2*n+1), {n, 0, 20}] (* Vladimir Joseph Stephan Orlovsky, Apr 19 2011 *)

Prog

(Magma) [n^(2*n+1): n in [0..30]]; // G. C. Greubel, Nov 01 2022
(SageMath) [n^(2*n+1) for n in range(31)] # G. C. Greubel, Nov 01 2022

Crossrefs

Cf. A062206, A089072.

Sequence in context: A294607 A294953 A239402 * A101441 A321663 A264145

Adjacent sequences: A085523 A085524 A085525 * A085527 A085528 A085529

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 05 2003

Status

approved