Central coefficients T(2n,n) of number triangle A176331.
A176335
Central coefficients T(2n,n) of number triangle A176331.
Terms
- a(0) =1a(1) =3a(2) =28a(3) =315a(4) =3876a(5) =50358a(6) =678112a(7) =9365499a(8) =131809060a(9) =1882294128a(10) =27193657008a(11) =396600597198
External references
- oeis: A176335