G.f.: exp( Sum_{n>=1} A322207(n)*x^n/n ), where A322207(n) is the coefficient of x^(3*n)*y^n/n in Sum_{n>=1} -log(1 - (x^n + y^n)).
A322208
G.f.: exp( Sum_{n>=1} A322207(n)*x^n/n ), where A322207(n) is the coefficient of x^(3*n)*y^n/n in Sum_{n>=1} -log(1 - (x^n + y^n)).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =24a(4) =150a(5) =1002a(6) =7296a(7) =55082a(8) =429803a(9) =3429141a(10) =27861573a(11) =229668027a(12) =1916090676a(13) =16147650896a(14) =137259255191
External references
- oeis: A322208