Numbers k such that 2*k+1, 4*k+1, 8*k+1, 16*k+1 and 32*k+1 are primes.

Terms

a(0) =765a(1) =3420a(2) =7695a(3) =8325a(4) =16650a(5) =22185a(6) =28995a(7) =33300a(8) =41715a(9) =52935a(10) =72510a(11) =75075a(12) =82950a(13) =99810a(14) =104715a(15) =106425a(16) =115620a(17) =121275a(18) =145635a(19) =159840a(20) =165900a(21) =173070a(22) =188745a(23) =190815a(24) =192795a(25) =222870a(26) =225705a(27) =239400a(28) =240510a(29) =253395