Primes associated with A127435.

Terms

a(0) =2a(1) =5a(2) =17a(3) =37a(4) =101a(5) =257a(6) =1297a(7) =1601a(8) =4357a(9) =15877a(10) =16901a(11) =22501a(12) =24337a(13) =32401a(14) =44101a(15) =57601a(16) =62501a(17) =65537a(18) =72901a(19) =78401a(20) =93637a(21) =156817a(22) =160001a(23) =176401a(24) =184901a(25) =217157a(26) =240101a(27) =309137a(28) =324901a(29) =331777