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A000532 Number of Hamiltonian paths from NW to SW corners in an n X n grid. 16
1, 1, 2, 8, 86, 1770, 88418, 8934966, 2087813834, 1013346943033, 1111598871478668, 2568944901392936854, 13251059359839620127088, 145194816279817259193401518, 3524171261632305641165676374930, 182653259988707123426135593460533473 (list; graph; refs; listen; history; text; internal format)
Number of walks reaching each cell exactly once.
Ed Wynn, Table of n, a(n) for n = 1..19 (first 18 terms from KeyTo9(AT)Fans)
KeyTo9(AT)Fans, Counting paths in a grid - Chinese web page giving the sequence up to 18 items.
Douglas M. McKenna, Tendril Motifs for Space-Filling, Half-Domino Curves, in: Bridges Finland Conference Proceedings, 2016, pp. 119-126.
Douglas M. McKenna, Are Maximally Unbalanced Hilbert-Style Square-Filling Curve Motifs a Drawing Medium?, Bridges Conf. Proc.; Math., Art, Music, Architecture, Culture (2023) 91-98.
Main diagonal of A271592.
See also A350148.
Sequence in context: A261730 A052456 A276991 * A333366 A083831 A134245
Russ Cox, Mar 15 1996
More terms from Zhao Hui Du, Jul 08 2008
Edited by Franklin T. Adams-Watters, Jul 03 2009
Name clarified by Andrew Howroyd, Apr 10 2016

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Last modified December 4 12:27 EST 2023. Contains 367560 sequences. (Running on oeis4.)