Number A(n,k) of k-dimensional cubic lattice walks with 2n steps from origin to origin and avoiding early returns to the origin; square array A(n,k), n>=0, k>=0, read by antidiagonals.
A361397
Number A(n,k) of k-dimensional cubic lattice walks with 2n steps from origin to origin and avoiding early returns to the origin; square array A(n,k), n>=0, k>=0, read by antidiagonals.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =2a(5) =0a(6) =1a(7) =4a(8) =2a(9) =0a(10) =1a(11) =6a(12) =20a(13) =4a(14) =0a(15) =1a(16) =8a(17) =54a(18) =176a(19) =10a(20) =0a(21) =1a(22) =10a(23) =104a(24) =996a(25) =1876a(26) =28a(27) =0a(28) =1a(29) =12
External references
- oeis: A361397