392841187200domain: NAppears in sequencesa(n) = (3*n+6)!!!/6!!!, related to A032031 ((3*n)!!! triple factorials).at n=9A051606Denominators of coefficients in function a(x) such that a(a(a(x))) = log (1+x).at n=11A052139a(n) = n! * [x^n] 1/(1 - 3*x)^(n/3).at n=9A303486