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.

A243602 Number of length n+2 0..5 arrays with no three elements in a row with pattern aba (with a!=b) and new values 0..5 introduced in 0..5 order.

Table of values

n a(n)
1 4
2 10
3 29
4 97
5 365
6 1511
7 6726
8 31544
9 153328
10 763187
11 3857651
12 19692114
13 101153422
14 521664456
15 2697067469
16 13966320059
17 72395025823
18 375501794607
19 1948456098176
20 10113010271486
21 52497770870256
22 272549948856853
23 1415076190551061

List of values

[4, 10, 29, 97, 365, 1511, 6726, 31544, 153328, 763187, 3857651, 19692114, 101153422, 521664456, 2697067469, 13966320059, 72395025823, 375501794607, 1948456098176, 10113010271486, 52497770870256, 272549948856853, 1415076190551061]

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

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