Numbers k such that 79*2^k-1 is prime.

Terms

a(0) =1a(1) =3a(2) =7a(3) =15a(4) =43a(5) =57a(6) =61a(7) =75a(8) =145a(9) =217a(10) =247a(11) =2803a(12) =3403a(13) =4375a(14) =5113a(15) =9883a(16) =14565a(17) =17397a(18) =65977a(19) =82081a(20) =92517a(21) =214453a(22) =248055a(23) =369535a(24) =969795