Square array T(n,k), n >= 2, k >= 2, read by antidiagonals, where T(n,k) is the number of self-avoiding closed paths on an n X k grid which pass through four corners ((0,0), (0,k-1), (n-1,k-1), (n-1,0)).
A333513
Square array T(n,k), n >= 2, k >= 2, read by antidiagonals, where T(n,k) is the number of self-avoiding closed paths on an n X k grid which pass through four corners ((0,0), (0,k-1), (n-1,k-1), (n-1,0)).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =3a(8) =3a(9) =1a(10) =1a(11) =7a(12) =11a(13) =7a(14) =1a(15) =1a(16) =17a(17) =49a(18) =49a(19) =17a(20) =1a(21) =1a(22) =41a(23) =229a(24) =373a(25) =229a(26) =41a(27) =1a(28) =1a(29) =99
External references
- oeis: A333513