Number A(n,k) of lattice paths without interior points from {n}^k to {0}^k using steps that decrement one component by 1; square array A(n,k), n>=0, k>=0, read by antidiagonals.
A225094
Number A(n,k) of lattice paths without interior points from {n}^k to {0}^k using steps that decrement one component by 1; 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) =2a(8) =0a(9) =1a(10) =1a(11) =6a(12) =2a(13) =0a(14) =1a(15) =1a(16) =24a(17) =54a(18) =2a(19) =0a(20) =1a(21) =1a(22) =120a(23) =1944a(24) =384a(25) =2a(26) =0a(27) =1a(28) =1a(29) =720
External references
- oeis: A225094