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.

A209151 Triangle of coefficients of polynomials u(n,x) jointly generated with A208337; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 1
4 3
5 4
6 2
7 4
8 8
9 8
10 3
11 5
12 13
13 19
14 15
15 5
16 6
17 19
18 36
19 42
20 28
21 8
22 7
23 26
24 60
25 91
26 89
27 51
28 13
29 8
30 34
31 92
32 170
33 216
34 182
35 92
36 21
37 9
38 43
39 133
40 288
41 446
42 489
43 363
44 164
45 34
46 10
47 53
48 184
49 455
50 826
51 1105
52 1068
53 709
54 290
55 55
56 11
57 64
58 246
59 682
60 1414
61 2219
62 2619

List of values

[1, 2, 1, 3, 4, 2, 4, 8, 8, 3, 5, 13, 19, 15, 5, 6, 19, 36, 42, 28, 8, 7, 26, 60, 91, 89, 51, 13, 8, 34, 92, 170, 216, 182, 92, 21, 9, 43, 133, 288, 446, 489, 363, 164, 34, 10, 53, 184, 455, 826, 1105, 1068, 709, 290, 55, 11, 64, 246, 682, 1414, 2219, 2619]