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A289901
Number of (undirected) cycles in the n-triangular honeycomb acute knight graph.
1
0, 0, 0, 2, 9, 30, 103, 435, 2469, 18958, 194091, 2661243, 49287232, 1236661032
OFFSET
1,4
LINKS
Eric Weisstein's World of Mathematics, Graph Cycle.
CROSSREFS
Cf. A290331 (number of undirected paths).
Sequence in context: A192518 A277241 A201164 * A261330 A101604 A234007
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jul 14 2017
EXTENSIONS
a(14) from Eric W. Weisstein, Dec 16 2023
STATUS
approved