E.g.f. Sum_{d|M} (exp(d*x)-1)/d, M=14.

A141013

E.g.f. Sum_{d|M} (exp(d*x)-1)/d, M=14.

Terms

    a(0) =0a(1) =4a(2) =24a(3) =250a(4) =3096a(5) =40834a(6) =554664a(7) =7647250a(8) =106237176a(9) =1481554114a(10) =20701400904a(11) =289537131250

External references