-6497

Appears in sequences

• a(n) = 4^n - n^8.at n=3A024044
• Values of n such that L(16) and N(16) 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=30A227519