O.g.f. A(x) satisfies: [x^n] exp( n*(n+2) * x ) / A(x) = 0 for n>0.
A304863
O.g.f. A(x) satisfies: [x^n] exp( n*(n+2) * x ) / A(x) = 0 for n>0.
Terms
- a(0) =1a(1) =3a(2) =17a(3) =180a(4) =3079a(5) =74271a(6) =2308940a(7) =87438684a(8) =3888682559a(9) =198073751505
External references
- oeis: A304863