Values of n such that L(7) and N(7) 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.

A226927

Values of n such that L(7) and N(7) 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) =-15a(2) =-95a(3) =109a(4) =-243a(5) =-297a(6) =297a(7) =457a(8) =459a(9) =-477a(10) =583a(11) =723a(12) =-761a(13) =-771a(14) =-983a(15) =1045a(16) =1047a(17) =1077a(18) =1287a(19) =1305a(20) =-1373a(21) =1389a(22) =-1481a(23) =-2063a(24) =-2073a(25) =2085a(26) =2173a(27) =-2223a(28) =2263a(29) =-2367

External references