Array read by antidiagonals: T(n,k) = number of lattice paths from (0,0) to (n,k) using steps (1,0), (0,1), (1,1), (-1,1) and whose points lie entirely in the integer rectangle of lattice points {(i, j): 0 <= i <= n, 0 <= j <= k}.
A232968
Array read by antidiagonals: T(n,k) = number of lattice paths from (0,0) to (n,k) using steps (1,0), (0,1), (1,1), (-1,1) and whose points lie entirely in the integer rectangle of lattice points {(i, j): 0 <= i <= n, 0 <= j <= k}.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =7a(8) =12a(9) =1a(10) =1a(11) =10a(12) =33a(13) =36a(14) =1a(15) =1a(16) =13a(17) =63a(18) =143a(19) =108a(20) =1a(21) =1a(22) =16a(23) =102a(24) =341a(25) =609a(26) =324a(27) =1a(28) =1a(29) =19
External references
- oeis: A232968