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.

A209773 Triangle of coefficients of polynomials u(n,x) jointly generated with A209774; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 6
6 5
7 2
8 11
9 21
10 13
11 3
12 17
13 48
14 67
15 34
16 3
17 25
18 92
19 188
20 206
21 89
22 4
23 33
24 154
25 422
26 684
27 619
28 233
29 4
30 44
31 238
32 809
33 1756
34 2365
35 1829
36 610
37 5
38 54
39 348
40 1411
41 3801
42 6833
43 7882
44 5334
45 1597
46 5
47 68
48 484
49 2285
50 7369
51 16471
52 25302
53 25549
54 15393

List of values

[1, 1, 2, 2, 6, 5, 2, 11, 21, 13, 3, 17, 48, 67, 34, 3, 25, 92, 188, 206, 89, 4, 33, 154, 422, 684, 619, 233, 4, 44, 238, 809, 1756, 2365, 1829, 610, 5, 54, 348, 1411, 3801, 6833, 7882, 5334, 1597, 5, 68, 484, 2285, 7369, 16471, 25302, 25549, 15393]