Values of n such that L(13) and N(13) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.

A227516

Values of n such that L(13) and N(13) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.

Terms

    a(0) =25a(1) =-33a(2) =-285a(3) =325a(4) =349a(5) =-449a(6) =-621a(7) =661a(8) =843a(9) =975a(10) =-977a(11) =991a(12) =1035a(13) =-1037a(14) =-1137a(15) =-1191a(16) =-1515a(17) =-1593a(18) =-1625a(19) =1683a(20) =1693a(21) =-1713a(22) =1759a(23) =-1803a(24) =1957a(25) =2125a(26) =2523a(27) =-2531a(28) =-2615a(29) =2827

External references