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.

A269619 T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by other than plus two, zero or minus 1.

Table of values

n a(n)
1 2
2 3
3 4
4 4
5 9
6 8
7 5
8 16
9 27
10 15
11 6
12 25
13 64
14 78
15 28
16 7
17 36
18 125
19 249
20 222
21 51
22 8
23 49
24 216
25 612
26 954
27 624
28 92
29 9
30 64
31 343
32 1275
33 2956
34 3611
35 1740
36 164
37 10
38 81
39 512
40 2370
41 7440
42 14125
43 13544
44 4824
45 290
46 11
47 100
48 729
49 4053
50 16218
51 43013
52 66925
53 50442
54 13320
55 509
56 12
57 121

List of values

[2, 3, 4, 4, 9, 8, 5, 16, 27, 15, 6, 25, 64, 78, 28, 7, 36, 125, 249, 222, 51, 8, 49, 216, 612, 954, 624, 92, 9, 64, 343, 1275, 2956, 3611, 1740, 164, 10, 81, 512, 2370, 7440, 14125, 13544, 4824, 290, 11, 100, 729, 4053, 16218, 43013, 66925, 50442, 13320, 509, 12, 121]