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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.

A384679 Number of edge-connected components on the faces of a tetrakis square tiling where the degree-8 vertices have been truncated, up to translation, rotation and reflection of the tiling.

Table of values

n a(n)
0 1
1 2
2 3
3 10
4 30
5 123
6 500
7 2240
8 10153
9 47341
10 223015
11 1063340
12 5108118
13 24710991
14 120202087
15 587570923
16 2884199700
17 14210246496
18 70242677688

List of values

[1, 2, 3, 10, 30, 123, 500, 2240, 10153, 47341, 223015, 1063340, 5108118, 24710991, 120202087, 587570923, 2884199700, 14210246496, 70242677688]

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

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