-4787

Appears in sequences

• Numerator of [x^n] in the Taylor series arccosh(exp(x)-arcsinh(x)).at n=6A013323
• Values of n such that L(20) and N(20) 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=16A227523