E.g.f.: 1 / Product_{n>=1} (cos(x^n/n) - sin(x^n/n)).
A209299
E.g.f.: 1 / Product_{n>=1} (cos(x^n/n) - sin(x^n/n)).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =16a(4) =98a(5) =650a(6) =5492a(7) =50468a(8) =543252a(9) =6375668a(10) =83752144a(11) =1191943168a(12) =18563252968a(13) =310499073352
External references
- oeis: A209299