Square array read by antidiagonals of number of length 2k walks on an n-dimensional hypercubic lattice starting and finishing at the origin and staying in the nonnegative part.

A064045

Square array read by antidiagonals of number of length 2k walks on an n-dimensional hypercubic lattice starting and finishing at the origin and staying in the nonnegative part.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =2a(8) =2a(9) =1a(10) =0a(11) =5a(12) =10a(13) =3a(14) =1a(15) =0a(16) =14a(17) =70a(18) =24a(19) =4a(20) =1a(21) =0a(22) =42a(23) =588a(24) =285a(25) =44a(26) =5a(27) =1a(28) =0a(29) =132

External references