a(n) = (6*n)!*(4*n)!/((2*n)!*(3*n)!*(5*n)!).
A304126
a(n) = (6*n)!*(4*n)!/((2*n)!*(3*n)!*(5*n)!).
Terms
- a(0) =1a(1) =12a(2) =308a(3) =8976a(4) =276276a(5) =8767512a(6) =283728368a(7) =9307523160a(8) =308397041460
External references
- oeis: A304126
A304126
a(n) = (6*n)!*(4*n)!/((2*n)!*(3*n)!*(5*n)!).