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A356837 Coordination sequence of the {3,5,3} hyperbolic honeycomb. 0
1, 20, 260, 3212, 39470, 484760, 5953532, 73117640, 897985850, 11028509072, 135445355180, 1663456422080, 20429547136382, 250903113935780, 3081437496506420, 37844317258279532, 464780593592780450, 5708148959489987900, 70103969470537620692, 860973771077827270580 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
a(n) is the number of cells n steps from an (arbitrarily chosen) central cell in the {3,5,3} honeycomb.
LINKS
Dorota Celińska-Kopczyńska and Eryk Kopczyński, Generating Regular Hyperbolic Honeycombs, arXiv:2208.13816 [cs.CG], 2022.
EXAMPLE
Each icosahedral cell has 20 neighbors, so a(1) = 20.
CROSSREFS
Sequence in context: A268764 A081244 A025966 * A041764 A022111 A025943
KEYWORD
nonn
AUTHOR
Eryk Kopczynski, Aug 31 2022
STATUS
approved

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)