C(1+2*n,1+n)*C(6+2*n,0+n).
A114201
C(1+2*n,1+n)*C(6+2*n,0+n).
Terms
- a(0) =1a(1) =24a(2) =450a(3) =7700a(4) =126126a(5) =2018016a(6) =31855824a(7) =498841200a(8) =7773608700a(9) =120784604512
External references
- oeis: A114201
A114201
C(1+2*n,1+n)*C(6+2*n,0+n).