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

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

Offset: 0

Author

N. J. A. Sloane, Jul 05 2003

Keywords

• nonn
• easy

Links

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

Crossrefs

Cf. A062206, A089072.

Programs

Magma

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

Mathematica

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

SageMath

[n^(2*n+1) for n in range(31)] # G. C. Greubel, Nov 01 2022

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