-4163

Appears in sequences

• Values of n such that L(4) and N(4) 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.at n=43A226924
• G.f. A(x) satisfies: A(x) = A(A(x)^2) / (x - x^2).at n=11A265941