Composite numbers k == 1 (mod 4) such that (1 + i)^k == 1 + i (mod k), where i = sqrt(-1).

Terms

a(0) =561a(1) =1105a(2) =1729a(3) =1905a(4) =2465a(5) =3277a(6) =4033a(7) =4681a(8) =6601a(9) =8321a(10) =8481a(11) =10585a(12) =12801a(13) =15841a(14) =16705a(15) =18705a(16) =25761a(17) =29341a(18) =30121a(19) =33153a(20) =34945a(21) =41041a(22) =46657a(23) =49141a(24) =52633a(25) =62745a(26) =65281a(27) =74665a(28) =75361a(29) =80581