A356837 Coordination sequence of the {3,5,3} hyperbolic honeycomb.

1, 20, 260, 3212, 39470, 484760, 5953532, 73117640, 897985850, 11028509072, 135445355180, 1663456422080, 20429547136382, 250903113935780, 3081437496506420, 37844317258279532, 464780593592780450, 5708148959489987900, 70103969470537620692, 860973771077827270580

Offset: 0

Author

Eryk Kopczynski, Aug 31 2022

Keywords

• nonn

Comments

a(n) is the number of cells n steps from an (arbitrarily chosen) central cell in the {3,5,3} honeycomb.

Examples

			Each icosahedral cell has 20 neighbors, so a(1) = 20.
		

Links

• Dorota Celińska-Kopczyńska and Eryk Kopczyński, Generating Regular Hyperbolic Honeycombs, arXiv:2208.13816 [cs.CG], 2022.