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A351994 revision #38

A351994
Number of spanning trees in a hexagon of size n in the triangular grid.
2
1, 320, 2300606464, 289899537900576358400, 614482906548854364363387716704247808, 21564742087547836976004856537464240189331001616154755072, 12433415382338420812828401445037903120443542018197863908895102595928462876835840
OFFSET
0,2
COMMENTS
The hexagon of size n in the triangular grid has A003215(n) vertices.
CROSSREFS
Cf. A007341 (square in square grid), A116469 (rectangle in square grid), A174579 (triangle in triangular grid), A351888 (triangle in hexagonal grid), A352022 (hexagon in hexagonal grid).
Sequence in context: A264063 A174778 A300849 * A261262 A308527 A268517
KEYWORD
nonn
AUTHOR
Peter Kagey, Feb 28 2022
STATUS
proposed