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.

A249982 T(n,k) is the number of length n+1 0..2*k arrays with the sum of the absolute values of adjacent differences equal to n*k.

Table of values

n a(n)
1 4
2 6
3 10
4 8
5 24
6 20
7 10
8 42
9 88
10 64
11 12
12 64
13 208
14 384
15 136
16 14
17 90
18 426
19 1242
20 1606
21 466
22 16
23 120
24 728
25 3030
26 6856
27 7138
28 1012
29 18
30 154
31 1178
32 6252
33 22560
34 43068
35 31380
36 3580
37 20
38 192
39 1744
40 11524
41 55372
42 168506
43 245860
44 141272
45 7864
46 22
47 234
48 2508
49 19574
50 123154

List of values

[4, 6, 10, 8, 24, 20, 10, 42, 88, 64, 12, 64, 208, 384, 136, 14, 90, 426, 1242, 1606, 466, 16, 120, 728, 3030, 6856, 7138, 1012, 18, 154, 1178, 6252, 22560, 43068, 31380, 3580, 20, 192, 1744, 11524, 55372, 168506, 245860, 141272, 7864, 22, 234, 2508, 19574, 123154]