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.

A243515 Number of length n+2 0..6 arrays with no three elements in a row with pattern aba or abb (with a!=b) and new values 0..6 introduced in 0..6 order.

Table of values

n a(n)
1 3
2 5
3 10
4 25
5 77
6 279
7 1134
8 4979
9 22981
10 109453
11 531458
12 2610933
13 12917685
14 64181627
15 319695982
16 1594859887
17 7963472189
18 39784944801
19 198827606706
20 993846943841
21 4968361974493
22 24839192686975
23 124188113975630

List of values

[3, 5, 10, 25, 77, 279, 1134, 4979, 22981, 109453, 531458, 2610933, 12917685, 64181627, 319695982, 1594859887, 7963472189, 39784944801, 198827606706, 993846943841, 4968361974493, 24839192686975, 124188113975630]

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

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