591894

Appears in sequences

• a(n) = 2^(n^2+n) * binomial(2*n-1 + 1/2^n, n) / (n*2^n + 1).at n=4A159318
• a(n) = n^4 + 3*n^3 + 2*n^2 - 2*n.at n=27A330651