a(n)=0!*1!*2!*3!*(4*n)!*6*n*(n-1) / ((n)!*(n+1)!*(n+2)!*(n+3)!).
A181202
a(n)=0!*1!*2!*3!*(4*n)!*6*n*(n-1) / ((n)!*(n+1)!*(n+2)!*(n+3)!).
Terms
- a(0) =0a(1) =168a(2) =16632a(3) =1729728a(4) =199536480a(5) =25241364720
External references
- oeis: A181202