Primes in the new Mersenne conjecture; odd primes of the form 2^k+-1 or 4^k+-3.

Terms

a(0) =3a(1) =5a(2) =7a(3) =13a(4) =17a(5) =19a(6) =31a(7) =61a(8) =67a(9) =127a(10) =257a(11) =1021a(12) =4093a(13) =4099a(14) =8191a(15) =16381a(16) =65537a(17) =65539a(18) =131071a(19) =262147a(20) =524287a(21) =1048573a(22) =4194301a(23) =16777213a(24) =268435459a(25) =1073741827a(26) =2147483647