-2813

Appears in sequences

• 1 + Sum_{n>=1} a_n x^n = Product_{n>=1} (1-x^n)^prime(n).at n=23A007441
• Sum at 45 degrees to horizontal in triangle of A081498.at n=56A081499
• Expansion of (1 - 2*x^2)/(1 + x)^4. Third column of Riordan triangle A248156.at n=28A248159
• L.g.f.: log( Sum_{k>=0} x^(k^3) ).at n=47A363783
• G.f. satisfies A(x) = 1 + x*A(x)^4 / (1 + x*A(x)^5).at n=7A365224