Product of first n swinging factorials (A056040).
A163085
Product of first n swinging factorials (A056040).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =12a(4) =72a(5) =2160a(6) =43200a(7) =6048000a(8) =423360000a(9) =266716800000
External references
- oeis: A163085