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A276291 Number of directed Hamiltonian paths on the n X n torus grid graph. 0
1512, 91392, 5911400, 1120056192, 252824095384, 187568248374272 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..8.

Eric Weisstein's World of Mathematics, Hamiltonian Path

Eric Weisstein's World of Mathematics, Torus Grid Graph

FORMULA

a(n) = 2 * A268838(n). - Andrew Howroyd, May 06 2017

CROSSREFS

Sequence in context: A236091 A239175 A037150 * A034601 A022059 A134614

Adjacent sequences:  A276288 A276289 A276290 * A276292 A276293 A276294

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Nov 15 2016

EXTENSIONS

a(7)-a(8) from Andrew Howroyd, May 06 2017

STATUS

approved

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Last modified May 23 19:07 EDT 2019. Contains 323528 sequences. (Running on oeis4.)