E.g.f.: Sum_{n>=0} sin(n*x)^n.A245322E.g.f.: Sum_{n>=0} sin(n*x)^n.Terms a(0) =1a(1) =1a(2) =8a(3) =161a(4) =6016a(5) =360421a(6) =31628288a(7) =3823725821a(8) =609263681536External referencesoeis: A245322