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.

A078990 Triangle arising from (4,2) tennis ball problem, read by rows.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 1
5 4
6 10
7 16
8 22
9 1
10 6
11 21
12 52
13 105
14 158
15 211
16 1
17 8
18 36
19 116
20 301
21 644
22 1198
23 1752
24 2306
25 1
26 10
27 55
28 216
29 678
30 1784
31 4088
32 8144
33 14506
34 20868
35 27230
36 1
37 12
38 78
39 360
40 1320
41 4064
42 10896
43 25872
44 55354
45 105704
46 183284
47 260864
48 338444
49 1
50 14
51 105

List of values

[1, 1, 2, 3, 1, 4, 10, 16, 22, 1, 6, 21, 52, 105, 158, 211, 1, 8, 36, 116, 301, 644, 1198, 1752, 2306, 1, 10, 55, 216, 678, 1784, 4088, 8144, 14506, 20868, 27230, 1, 12, 78, 360, 1320, 4064, 10896, 25872, 55354, 105704, 183284, 260864, 338444, 1, 14, 105]