E.g.f. equals the ratio of two power series, each with triangular exponents of x.

A093615

E.g.f. equals the ratio of two power series, each with triangular exponents of x.

Terms

    a(0) =0a(1) =1a(2) =-1a(3) =3a(4) =-15a(5) =85a(6) =-570a(7) =4509a(8) =-40804a(9) =414864a(10) =-4686570a(11) =58245650a(12) =-789691134a(13) =11598605460a(14) =-183459343613

External references