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A290331 Number of (undirected) paths in the n-triangular honeycomb acute knight graph. 1
0, 0, 3, 18, 87, 423, 2340, 15855, 137160, 1544121, 22771791, 443447013 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..12.

Eric Weisstein's World of Mathematics, Graph Path

CROSSREFS

Cf. A289901 (number of undirected cycles).

Sequence in context: A301996 A218924 A037295 * A124811 A006568 A181955

Adjacent sequences:  A290328 A290329 A290330 * A290332 A290333 A290334

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Jul 27 2017

STATUS

approved

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Last modified July 27 07:50 EDT 2021. Contains 346304 sequences. (Running on oeis4.)