Numbers k such that 413*2^k+1 is prime.

Terms

a(0) =1a(1) =5a(2) =9a(3) =13a(4) =25a(5) =85a(6) =113a(7) =133a(8) =185a(9) =217a(10) =269a(11) =285a(12) =469a(13) =1025a(14) =2289a(15) =4849a(16) =5681a(17) =8489a(18) =12937a(19) =18485a(20) =18809a(21) =20189a(22) =34361a(23) =40509a(24) =41593a(25) =44181a(26) =46517a(27) =68681a(28) =130421a(29) =186893