-20976

Appears in sequences

• E.g.f. sin(arctan(x)*exp(x)).at n=9A012409
• A sequence related to Ramanujan's tau function.at n=27A055978
• Numbers k in pairs (j,k), with j <> k +- 1, such that the sum of their cubes is equal to a centered cube number.at n=50A352136