A(n,k) is the n-th Carlitz-Riordan q-Catalan number (recurrence version) for q = -k; square array A(n,k), n>=0, k>=0, read by antidiagonals.
A290789
A(n,k) is the n-th Carlitz-Riordan q-Catalan number (recurrence version) for q = -k; square array A(n,k), n>=0, k>=0, read by antidiagonals.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =0a(9) =1a(10) =1a(11) =1a(12) =-1a(13) =-1a(14) =1a(15) =1a(16) =1a(17) =-2a(18) =-7a(19) =0a(20) =1a(21) =1a(22) =1a(23) =-3a(24) =-23a(25) =47a(26) =2a(27) =1a(28) =1a(29) =1
External references
- oeis: A290789