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A302187 Number of 3D walks of type bcc. 0
1, 2, 8, 30, 138, 620, 3060, 14910, 76650, 390852, 2063376, 10832052 (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: A150791 A026693 A150792 * A266043 A265950 A294264

Adjacent sequences:  A302184 A302185 A302186 * A302188 A302189 A302190

KEYWORD

nonn,walk,more

AUTHOR

N. J. A. Sloane, Apr 09 2018

STATUS

approved

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Last modified May 25 03:14 EDT 2019. Contains 323539 sequences. (Running on oeis4.)