Numbers n such that n*8^n - 1 is prime.

Terms

a(0) =1a(1) =2a(2) =7a(3) =12a(4) =25a(5) =44a(6) =219a(7) =252a(8) =507a(9) =1155a(10) =2259a(11) =2972a(12) =4584a(13) =12422a(14) =13905a(15) =75606