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A302188 Number of 3D walks of type bce. 0
1, 3, 12, 53, 252, 1252, 6416, 33609, 178996, 965660, 5263728, 28936404 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

See Dershowitz (2017) for precise definition.

LINKS

Table of n, a(n) for n=0..11.

Nachum Dershowitz, Touchard's Drunkard, Journal of Integer Sequences, Vol. 20 (2017), #17.1.5.

CROSSREFS

Cf. A000108, A000984, A002212, A002896, A005572, A026375, A064037, A081671, A138547, A145847, A145867, A150500, A202814.

Sequence in context: A026781 A110122 A307412 * A060460 A306525 A293131

Adjacent sequences:  A302185 A302186 A302187 * A302189 A302190 A302191

KEYWORD

nonn,walk,more

AUTHOR

N. J. A. Sloane, Apr 09 2018

STATUS

approved

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Last modified July 11 08:10 EDT 2020. Contains 335626 sequences. (Running on oeis4.)