A368379 Arises from enumeration of a certain class of partial zig-zag knight's paths on the square grid.

0, 1, 0, 3, 1, 9, 6, 28, 27, 90, 110

Offset

0,4

Comments

It would be nice to have a more precise definition.

Links

Table of n, a(n) for n=0..10.

Jean-Luc Baril and José L. Ramírez, Knight's paths towards Catalan numbers, Univ. Bourgogne Franche-Comté (2022). Also arXiv:2206.12087 [math.CO], Jan 2023. See Section 3.2.

Crossrefs

Cf. A368378, A368380.

Sequence in context: A229759 A185580 A052931 * A006803 A197730 A231902

Adjacent sequences: A368376 A368377 A368378 * A368380 A368381 A368382

Keyword

nonn,more

Author

N. J. A. Sloane, Feb 18 2024

Status

approved