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.

A242472 T(n,k)=Number of length n+2 0..k arrays with no three equal elements in a row and new values 0..k introduced in 0..k order.

Table of values

n a(n)
1 3
2 4
3 5
4 4
5 11
6 8
7 4
8 12
9 30
10 13
11 4
12 12
13 40
14 82
15 21
16 4
17 12
18 41
19 143
20 224
21 34
22 4
23 12
24 41
25 158
26 528
27 612
28 55
29 4
30 12
31 41
32 159
33 663
34 1979
35 1672
36 89
37 4
38 12
39 41
40 159
41 684
42 2944
43 7466
44 4568
45 144
46 4
47 12
48 41
49 159
50 685
51 3204
52 13537
53 28246
54 12480
55 233
56 4
57 12
58 41
59 159
60 685
61 3232

List of values

[3, 4, 5, 4, 11, 8, 4, 12, 30, 13, 4, 12, 40, 82, 21, 4, 12, 41, 143, 224, 34, 4, 12, 41, 158, 528, 612, 55, 4, 12, 41, 159, 663, 1979, 1672, 89, 4, 12, 41, 159, 684, 2944, 7466, 4568, 144, 4, 12, 41, 159, 685, 3204, 13537, 28246, 12480, 233, 4, 12, 41, 159, 685, 3232]