Expansion of 1/((1-2x)(1-4x)(1-9x)(1-10x)).

A025980

Expansion of 1/((1-2x)(1-4x)(1-9x)(1-10x)).

Terms

    a(0) =1a(1) =25a(2) =413a(3) =5717a(4) =71949a(5) =854517a(6) =9768541a(7) =108728389a(8) =1186801517a(9) =12764197589a(10) =135709713789

External references