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A238115
Number of states arising in matrix method for enumerating Hamiltonian cycles on 2n X 2n grid.
3
1, 6, 32, 182, 1117, 7280, 49625, 349998, 2535077, 18758264
OFFSET
1,2
LINKS
KEYWORD
nonn,hard,more
AUTHOR
N. J. A. Sloane, Mar 05 2014
STATUS
approved