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.

A229012 T(n,k) = number of arrays of median of three adjacent elements of some length n+2 0..k array, with no adjacent equal elements in the latter.

Table of values

n a(n)
1 2
2 3
3 2
4 4
5 7
6 2
7 5
8 14
9 15
10 2
11 6
12 23
13 46
14 31
15 2
16 7
17 34
18 101
19 130
20 57
21 2
22 8
23 47
24 186
25 359
26 332
27 105
28 2
29 9
30 62
31 307
32 794
33 1145
34 830
35 193
36 2
37 10
38 79
39 470
40 1527
41 3002
42 3527
43 2054
44 353
45 2
46 11
47 98
48 681
49 2666
50 6635
51 10860
52 10735
53 5108
54 653
55 2
56 12
57 119
58 946
59 4335
60 13040
61 27379

List of values

[2, 3, 2, 4, 7, 2, 5, 14, 15, 2, 6, 23, 46, 31, 2, 7, 34, 101, 130, 57, 2, 8, 47, 186, 359, 332, 105, 2, 9, 62, 307, 794, 1145, 830, 193, 2, 10, 79, 470, 1527, 3002, 3527, 2054, 353, 2, 11, 98, 681, 2666, 6635, 10860, 10735, 5108, 653, 2, 12, 119, 946, 4335, 13040, 27379]