Square array T(n,k), n >= 2, k >= 2, read by antidiagonals, where T(n,k) is the number of Hamiltonian circuits within parallelograms of size n X k on the triangular lattice.
A339849
Square array T(n,k), n >= 2, k >= 2, read by antidiagonals, where T(n,k) is the number of Hamiltonian circuits within parallelograms of size n X k on the triangular lattice.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =13a(8) =13a(9) =1a(10) =1a(11) =44a(12) =80a(13) =44a(14) =1a(15) =1a(16) =148a(17) =549a(18) =549a(19) =148a(20) =1a(21) =1a(22) =498a(23) =3851a(24) =7104a(25) =3851a(26) =498a(27) =1a(28) =1a(29) =1676
External references
- oeis: A339849