E.g.f.: arcsin(x) o x/(1-x) o sin(x), a composition of functions involving sin(x) and its inverse.

A200560

E.g.f.: arcsin(x) o x/(1-x) o sin(x), a composition of functions involving sin(x) and its inverse.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =28a(4) =180a(5) =1502a(6) =15456a(7) =189208a(8) =2683920a(9) =43263962a(10) =780807456a(11) =15593180788a(12) =341340941760

External references