E.g.f.: Product_{k>=1} 1 / (1 - x^k)^(tan(x)/k).
A347897
E.g.f.: Product_{k>=1} 1 / (1 - x^k)^(tan(x)/k).
Terms
- a(0) =1a(1) =0a(2) =2a(3) =6a(4) =36a(5) =250a(6) =1744a(7) =18312a(8) =158960a(9) =2046672a(10) =23152216a(11) =332066240a(12) =4628867680a(13) =75851021376
External references
- oeis: A347897