Write n=3i+j, 0<=j<3; a(n) = number of Hamiltonian cycles on square grid of points of size 2i+2 X 2i+2 (if j=0), 2i+2 X 2i+3 (j=1) or 2i+3 X 2i+4 (j=2).
A222201
Write n=3i+j, 0<=j<3; a(n) = number of Hamiltonian cycles on square grid of points of size 2i+2 X 2i+2 (if j=0), 2i+2 X 2i+3 (j=1) or 2i+3 X 2i+4 (j=2).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =14a(5) =154a(6) =1072a(7) =5320a(8) =301384a(9) =4638576a(10) =49483138a(11) =13916993782a(12) =467260456608
External references
- oeis: A222201