Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=0..n} k^j*binomial(n,j)*Catalan(j).
A340968
Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=0..n} k^j*binomial(n,j)*Catalan(j).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =3a(8) =5a(9) =1a(10) =1a(11) =4a(12) =13a(13) =15a(14) =1a(15) =1a(16) =5a(17) =25a(18) =71a(19) =51a(20) =1a(21) =1a(22) =6a(23) =41a(24) =199a(25) =441a(26) =188a(27) =1a(28) =1a(29) =7
External references
- oeis: A340968