-4193

Appears in sequences

• Expansion of e.g.f. sin(sinh(x)*exp(x)).at n=7A009496
• Values of n such that L(12) and N(12) 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=12A227515