A114980 Numbers k such that (j^k + k^j) == 0 (mod k+j), j=5 case.

1, 3, 5, 7, 14, 15, 19, 20, 21, 23, 25, 26, 35, 45, 50, 55, 65, 73, 95, 105, 115, 119, 120, 125, 145, 165, 185, 195, 215, 225, 245, 270, 275, 285, 295, 305, 325, 350, 365, 385, 405, 425, 435, 437, 465, 495, 525, 527, 545, 585, 595, 605, 620, 621, 645

Offset: 1

Author

Zak Seidov, Feb 22 2006

Keywords

• nonn

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A114977, A114978, A114979, A114981.

Programs

PARI

isok(k, j=5) = (j^k+k^j) % (k+j) == 0; \\ Michel Marcus, Oct 10 2013

PARI

isok(k, j=5) = Mod(j, k+j)^k+Mod(k, k+j)^j == 0; \\ Michel Marcus, Aug 07 2021

Extensions

More terms from Michel Marcus, Oct 10 2013