A209261 - OEIS

A209261

a(n) = n^13 + 13*n + 13^n.

1, 27, 8387, 1596559, 67137477, 1221074483, 13065520903, 96951759015, 550571544713, 2552470327819, 10137858491979, 36314872538111, 130291290501709, 605750213184675, 4731091158953615, 53132088082450327, 669920208810550545

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

COMMENTS

This is to A220425 as 13 is to 2, to A220509 as 13 is to 3, to A220511 as 13 is to 5, to A220528 as 13 is to 7, and to A220653 as 13 is to 11. The subsequence of primes begins: 8387, 13065520903.

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..895

EXAMPLE

a(2) = 2^13 + 13*2 + 13^2 = 8387.

MATHEMATICA

Table[n^13 + 13*n + 13^n, {n, 0, 30}] (* G. C. Greubel, Jan 05 2018 *)

PROG

(Maxima) makelist(n^13 + 13*n + 13^n, n, 0, 20); /* Martin Ettl, Jan 15 2013 */

(PARI) for(n=0, 30, print1(n^13 + 13*n + 13^n, ", ")) \\ G. C. Greubel, Jan 05 2018

(Magma) [n^13 + 13*n + 13^n: n in [0..30]]; // G. C. Greubel, Jan 05 2018

CROSSREFS

Cf. A008455, A008593, A001020, A220425, A220509, A220511, A220528, A220653, A220787.