A364134 Number of tilings of a (k*(3k-1)/2, k*(3k+1)/2)-benzel by bones.

1, 2, 42705, 7501790059160666750

Offset

1,2

References

J. Kim and J. Propp, A pentagonal number theorem for tribone tilings, Electronic Journal of Combinatorics, to appear.

Links

Table of n, a(n) for n=1..4.

J. Kim and J. Propp, A pentagonal number theorem for tribune tilings, arXiv preprint, arXiv:2206.04223 [math.CO], 2022-2023.

Example

For k=2 the two tilings are shown in Figure 18 of the (J. Kim and J. Propp) arxiv.org link.

Crossrefs

Sequence in context: A232733 A106025 A157959 * A290047 A094213 A321382

Adjacent sequences: A364131 A364132 A364133 * A364135 A364136 A364137

Keyword

nonn,more

Author

James Propp, Jul 22 2023

Status

approved