E.g.f.: exp((1+x)*(1+x^2)*(1+x^3)*(1+x^4) - 1).
A294252
E.g.f.: exp((1+x)*(1+x^2)*(1+x^3)*(1+x^4) - 1).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =19a(4) =121a(5) =921a(6) =8491a(7) =89083a(8) =1004529a(9) =12855601a(10) =180798931a(11) =2688972771a(12) =43446800233a(13) =753263746249
External references
- oeis: A294252