cp's OEIS Frontend

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.

A369315 Number of chiral pairs of polyominoes composed of n square cells of the hyperbolic regular tiling with Schläfli symbol {4,oo}.

Table of values

n a(n)
4 2
5 9
6 48
7 231
8 1188
9 6114
10 32448
11 175032
12 962472
13 5370524
14 30377504
15 173816313
16 1004823816
17 5861490300
18 34468767840
19 204161269620
20 1217143807770
21 7299003615537
22 44005594027200
23 266608363362900

List of values

[2, 9, 48, 231, 1188, 6114, 32448, 175032, 962472, 5370524, 30377504, 173816313, 1004823816, 5861490300, 34468767840, 204161269620, 1217143807770, 7299003615537, 44005594027200, 266608363362900]

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

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