A302185 Number of 3D walks of type acc.

1, 2, 7, 24, 98, 400, 1785, 7980, 37674, 178164, 874146, 4294752, 21667932

Offset

0,2

Comments

See Dershowitz (2017) for precise definition.

Links

Table of n, a(n) for n=0..12.

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: A150430 A363434 A150431 * A150432 A150433 A197554

Adjacent sequences: A302182 A302183 A302184 * A302186 A302187 A302188

Keyword

nonn,walk,more

Author

N. J. A. Sloane, Apr 09 2018

Status

approved