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.

A111126 Triangle read by rows: T(k,s) = binomial(k+s,2s+1)*(2k-1)*(2k+1)/(2s+3), k >= 1, 0 <= s <= k-1.

Table of values

n a(n)
1 1
2 10
3 3
4 35
5 28
6 5
7 84
8 126
9 54
10 7
11 165
12 396
13 297
14 88
15 9
16 286
17 1001
18 1144
19 572
20 130
21 11
22 455
23 2184
24 3510
25 2600
26 975
27 180
28 13
29 680
30 4284
31 9180
32 9350
33 5100
34 1530
35 238
36 15
37 969
38 7752
39 21318
40 28424
41 20995
42 9044
43 2261
44 304
45 17
46 1330
47 13167
48 45144
49 76076
50 72618

List of values

[1, 10, 3, 35, 28, 5, 84, 126, 54, 7, 165, 396, 297, 88, 9, 286, 1001, 1144, 572, 130, 11, 455, 2184, 3510, 2600, 975, 180, 13, 680, 4284, 9180, 9350, 5100, 1530, 238, 15, 969, 7752, 21318, 28424, 20995, 9044, 2261, 304, 17, 1330, 13167, 45144, 76076, 72618]