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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A369471 Number of chiral pairs of polyominoes composed of n pentagonal cells of the hyperbolic regular tiling with Schläfli symbol {5,oo}.

Table of values

n a(n)
4 4
5 24
6 172
7 1144
8 8056
9 57800
10 427006
11 3221216
12 24773668
13 193592840
14 1534006620
15 12301987920
16 99699269740
17 815520435048
18 6725987757744
19 55882659600320
20 467387108739408
21 3932600291539096
22 33269691987278258
23 282863688830816184

List of values

[4, 24, 172, 1144, 8056, 57800, 427006, 3221216, 24773668, 193592840, 1534006620, 12301987920, 99699269740, 815520435048, 6725987757744, 55882659600320, 467387108739408, 3932600291539096, 33269691987278258, 282863688830816184]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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