E.g.f.: Product_{m>0} (1 + x^(2*m-1) + x^(4*m-2)/2!).
A293488
E.g.f.: Product_{m>0} (1 + x^(2*m-1) + x^(4*m-2)/2!).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =6a(4) =24a(5) =180a(6) =1080a(7) =10080a(8) =90720a(9) =907200a(10) =10886400a(11) =139708800a(12) =2035756800a(13) =29578348800a(14) =479480601600
External references
- oeis: A293488