Expansion of Sum_{k>=0} k! * ( x * (1-x^3) )^k.
A370508
Expansion of Sum_{k>=0} k! * ( x * (1-x^3) )^k.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =23a(5) =116a(6) =702a(7) =4944a(8) =39722a(9) =358578a(10) =3593664a(11) =39595440a(12) =475746474a(13) =6190838544a(14) =86740334160
External references
- oeis: A370508