182327718300domain: NAppears in sequencesExpansion of 1/(1-4*x)^(13/2).at n=12A020924a(n) = (6n)!n!/((3n)!(2n)!^2).at n=6A061162a(n) = ((3*n)!/n!^2)*(Gamma(1+n/2)/Gamma(1+3n/2)).at n=12A091527