Values of n such that L(15) and N(15) 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.

A227518

Values of n such that L(15) and N(15) 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) =9a(1) =25a(2) =39a(3) =-105a(4) =105a(5) =-107a(6) =235a(7) =313a(8) =397a(9) =415a(10) =-471a(11) =639a(12) =-773a(13) =-885a(14) =919a(15) =957a(16) =-1053a(17) =-1115a(18) =-1151a(19) =1279a(20) =-1325a(21) =1327a(22) =-1377a(23) =1563a(24) =-1641a(25) =-1703a(26) =-1811a(27) =-1851a(28) =2007a(29) =2023

External references