Numbers k such that 2*k+1, 4*k+1, 8*k+1, 16*k+1, 32*k+1 and 64*k+1 are primes.

Terms

a(0) =8325a(1) =16650a(2) =82950a(3) =165900a(4) =192795a(5) =222870a(6) =239400a(7) =290235a(8) =601560a(9) =884220a(10) =971685a(11) =1020600a(12) =1065570a(13) =1120470a(14) =1170330a(15) =1196715a(16) =1263360a(17) =1638735a(18) =1768440a(19) =1811940a(20) =1940190a(21) =1948815a(22) =2061810a(23) =2207685a(24) =2240940a(25) =2639295a(26) =2830905