Numbers k that divide 2^(k^3) + 1.

Terms

a(0) =1a(1) =3a(2) =9a(3) =27a(4) =57a(5) =81a(6) =171a(7) =243a(8) =513a(9) =729a(10) =1083a(11) =1467a(12) =1539a(13) =2187a(14) =3249a(15) =4401a(16) =4617a(17) =6561a(18) =9747a(19) =13131a(20) =13203a(21) =13851a(22) =19683a(23) =20577a(24) =27873a(25) =29241a(26) =32547a(27) =39393a(28) =39609a(29) =41553