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.

A228250 Total sum A(n,k) of lengths of longest contiguous subsequences with the same value over all s in {1,...,n}^k; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 1
5 0
6 0
7 2
8 2
9 0
10 0
11 3
12 6
13 3
14 0
15 0
16 4
17 16
18 12
19 4
20 0
21 0
22 5
23 38
24 45
25 20
26 5
27 0
28 0
29 6
30 86
31 156
32 96
33 30
34 6
35 0
36 0
37 7
38 188
39 519
40 436
41 175
42 42
43 7
44 0
45 0
46 8
47 404
48 1680
49 1916
50 980
51 288
52 56
53 8
54 0
55 0
56 9
57 856
58 5349
59 8232
60 5345
61 1914
62 441
63 72
64 9
65 0

List of values

[0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 3, 6, 3, 0, 0, 4, 16, 12, 4, 0, 0, 5, 38, 45, 20, 5, 0, 0, 6, 86, 156, 96, 30, 6, 0, 0, 7, 188, 519, 436, 175, 42, 7, 0, 0, 8, 404, 1680, 1916, 980, 288, 56, 8, 0, 0, 9, 856, 5349, 8232, 5345, 1914, 441, 72, 9, 0]