Triangle read by rows: T(n,k) (0<=k<=n) given by T(n,0)=1, T(n,n) = binomial(2n,n); otherwise T(n,k) = T(n,k-1)+T(n-1,k).

A274292

Triangle read by rows: T(n,k) (0<=k<=n) given by T(n,0)=1, T(n,n) = binomial(2n,n); otherwise T(n,k) = T(n,k-1)+T(n-1,k).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =6a(6) =1a(7) =8a(8) =14a(9) =20a(10) =1a(11) =16a(12) =30a(13) =50a(14) =70a(15) =1a(16) =32a(17) =62a(18) =112a(19) =182a(20) =252a(21) =1a(22) =64a(23) =126a(24) =238a(25) =420a(26) =672a(27) =924a(28) =1a(29) =128

External references