E.g.f. A(x) = exp(x+x^2+x^3+x^4+x^5+x^6+x^7).
A193933
E.g.f. A(x) = exp(x+x^2+x^3+x^4+x^5+x^6+x^7).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =73a(5) =501a(6) =4051a(7) =37633a(8) =354033a(9) =3870793a(10) =46240291a(11) =597877941a(12) =8298856633a(13) =122751616573
External references
- oeis: A193933