a(n) = (12*n)!*(n/2)!/((6*n)!*(4*n)!*(5*n/2)!).A364182a(n) = (12*n)!*(n/2)!/((6*n)!*(4*n)!*(5*n/2)!).Terms a(0) =1a(1) =7392a(2) =267711444External referencesoeis: A364182