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.

A242546 Number of length n+3 0..5 arrays with no four elements in a row with pattern aabb (possibly a=b) and new values 0..5 introduced in 0..5 order.

Table of values

n a(n)
1 13
2 43
3 166
4 711
5 3311
6 16512
7 86671
8 471698
9 2631790
10 14930915
11 85644696
12 494803149
13 2872024482
14 16720674459
15 97536295951
16 569673328615
17 3329960486206
18 19475149500576
19 113938441220822
20 666738150322630
21 3902133809773705

List of values

[13, 43, 166, 711, 3311, 16512, 86671, 471698, 2631790, 14930915, 85644696, 494803149, 2872024482, 16720674459, 97536295951, 569673328615, 3329960486206, 19475149500576, 113938441220822, 666738150322630, 3902133809773705]

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

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