Numbers n such that n divides 2^n^2 + 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) =13203a(20) =13851a(21) =19683a(22) =20577a(23) =27873a(24) =29241a(25) =32547a(26) =39393a(27) =39609a(28) =41553a(29) =59049