OFFSET
1,2
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range[600], Divisible[3^#+#^3, #+3]&] (* Harvey P. Dale, Nov 26 2019 *)
PROG
(PARI) isok(k, j=3) = (j^k+k^j) % (k+j) == 0; \\ Michel Marcus, Oct 10 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Feb 22 2006
EXTENSIONS
More terms from Michel Marcus, Oct 10 2013
STATUS
approved