-4276

Appears in sequences

• a(n) = -(n + 1)*(2*n^2 + n - 12)/6.at n=23A058372
• Expansion of (1-x)/(1 + x^2 - x^3).at n=46A078031
• Let F(x) = 1 + x + 4x^2 + 9x^3 + ... = g.f. for A002835 (solid partitions restricted to two planes) and write F(x) = 1/Product_{n>=1} (1-x^n)^a(n).at n=25A080207
• a(n) = 1 + 3*n - 2*n^2.at n=47A168244
• Imbalance of the sum of largest parts of all partitions of n.at n=27A194809
• G.f. satisfies A(x) = 1 + x/(1 + x^3)^2 * A(x/(1 + x^3)).at n=15A360900