A368380 Arises from enumeration of a certain class of partial zig-zag knight's paths on the square grid.

0, 0, 0, 1, 0, 5, 1, 20, 8, 75, 44, 275, 208

Offset

0,6

Comments

It would be nice to have a more precise definition.

Links

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

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, A368339.

Sequence in context: A145372 A145373 A088577 * A127561 A144879 A049411

Adjacent sequences: A368377 A368378 A368379 * A368381 A368382 A368383

Keyword

nonn,more

Author

N. J. A. Sloane, Feb 18 2024

Status

approved