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.

A156224 Triangle T(n, k) = binomial(n, k)*(A000009(n) + A000009(n-k) + A000009(k)) - 2, read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 4
5 1
6 3
7 10
8 10
9 3
10 3
11 18
12 22
13 18
14 3
15 5
16 28
17 58
18 58
19 28
20 5
21 7
22 46
23 103
24 158
25 103
26 46
27 7
28 9
29 68
30 187
31 313
32 313
33 187
34 68
35 9
36 11
37 94
38 306
39 614
40 698
41 614
42 306
43 94
44 11
45 15
46 133
47 502
48 1174
49 1636
50 1636
51 1174
52 502
53 133
54 15
55 19
56 188
57 763
58 2038
59 3358
60 4030
61 3358
62 2038
63 763
64 188
65 19

List of values

[1, 1, 1, 1, 4, 1, 3, 10, 10, 3, 3, 18, 22, 18, 3, 5, 28, 58, 58, 28, 5, 7, 46, 103, 158, 103, 46, 7, 9, 68, 187, 313, 313, 187, 68, 9, 11, 94, 306, 614, 698, 614, 306, 94, 11, 15, 133, 502, 1174, 1636, 1636, 1174, 502, 133, 15, 19, 188, 763, 2038, 3358, 4030, 3358, 2038, 763, 188, 19]