a(n) = [x^n] Product_{k=1..n} 1/(1 - (2*k-1) * x).
A348087
a(n) = [x^n] Product_{k=1..n} 1/(1 - (2*k-1) * x).
Terms
- a(0) =1a(1) =1a(2) =13a(3) =330a(4) =12411a(5) =618870a(6) =38461522a(7) =2863440580a(8) =248440887123
External references
- oeis: A348087