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.

A269606 T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by one or less.

Table of values

n a(n)
1 2
2 3
3 4
4 4
5 9
6 6
7 5
8 16
9 24
10 8
11 6
12 25
13 60
14 62
15 10
16 7
17 36
18 120
19 222
20 154
21 12
22 8
23 49
24 210
25 572
26 804
27 376
28 14
29 9
30 64
31 336
32 1220
33 2692
34 2878
35 902
36 16
37 10
38 81
39 504
40 2298
41 7030
42 12570
43 10192
44 2142
45 18
46 11
47 100
48 720
49 3962
50 15630
51 40288
52 58280
53 35812
54 5040
55 20
56 12
57 121

List of values

[2, 3, 4, 4, 9, 6, 5, 16, 24, 8, 6, 25, 60, 62, 10, 7, 36, 120, 222, 154, 12, 8, 49, 210, 572, 804, 376, 14, 9, 64, 336, 1220, 2692, 2878, 902, 16, 10, 81, 504, 2298, 7030, 12570, 10192, 2142, 18, 11, 100, 720, 3962, 15630, 40288, 58280, 35812, 5040, 20, 12, 121]