A114978 Numbers k such that (j^k + k^j) == 0 (mod k+j), j=3 case.

1, 3, 5, 6, 7, 8, 9, 15, 21, 24, 27, 33, 36, 39, 51, 63, 69, 75, 81, 87, 99, 105, 111, 114, 118, 123, 135, 153, 165, 171, 183, 207, 213, 219, 231, 243, 249, 255, 267, 279, 309, 315, 348, 351, 363, 375, 387, 393, 399, 423, 435, 453, 465, 471, 495, 501

Offset: 1

Author

Zak Seidov, Feb 22 2006

Keywords

• nonn

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A114977, A114979, A114980, A114981.

Programs

Mathematica

Select[Range[600],Divisible[3^#+#^3,#+3]&] (* Harvey P. Dale, Nov 26 2019 *)

PARI

isok(k, j=3) = (j^k+k^j) % (k+j) == 0; \\ Michel Marcus, Oct 10 2013

Extensions

More terms from Michel Marcus, Oct 10 2013