Expansion of e.g.f. (exp(x)-1)*(exp(x)-x)*(exp(x)-x^2/2)*(exp(x)-x^3/6).
A383409
Expansion of e.g.f. (exp(x)-1)*(exp(x)-x)*(exp(x)-x^2/2)*(exp(x)-x^3/6).
Terms
- a(0) =0a(1) =1a(2) =5a(3) =19a(4) =77a(5) =326a(6) =1406a(7) =5601a(8) =23715a(9) =101092a(10) =431172a(11) =1841357a(12) =7889877a(13) =33924268a(14) =146103678a(15) =628595097a(16) =2695143751a(17) =11495831852a(18) =48733234456a(19) =205252231229a(20) =858955851705
External references
- oeis: A383409