Numbers k such that A057775(k) is the factor of a Fermat number 2^(2^m) + 1 for some m.

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =8a(5) =14a(6) =16a(7) =25a(8) =39a(9) =41a(10) =57a(11) =67a(12) =75a(13) =120a(14) =127a(15) =147a(16) =209a(17) =229a(18) =231a(19) =290a(20) =302a(21) =320a(22) =455a(23) =547a(24) =558a(25) =747a(26) =1553a(27) =1947a(28) =2027a(29) =2458