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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.

A209759 Triangle of coefficients of polynomials u(n,x) jointly generated with A209760; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 5
6 5
7 1
8 5
9 16
10 13
11 1
12 5
13 19
14 48
15 34
16 1
17 5
18 19
19 68
20 141
21 89
22 1
23 5
24 19
25 71
26 233
27 409
28 233
29 1
30 5
31 19
32 71
33 262
34 772
35 1175
36 610
37 1
38 5
39 19
40 71
41 265
42 948
43 2492
44 3349
45 1597
46 1
47 5
48 19
49 71
50 265
51 986
52 3354
53 7879
54 9482
55 4181
56 1
57 5
58 19
59 71
60 265
61 989
62 3641

List of values

[1, 1, 2, 1, 5, 5, 1, 5, 16, 13, 1, 5, 19, 48, 34, 1, 5, 19, 68, 141, 89, 1, 5, 19, 71, 233, 409, 233, 1, 5, 19, 71, 262, 772, 1175, 610, 1, 5, 19, 71, 265, 948, 2492, 3349, 1597, 1, 5, 19, 71, 265, 986, 3354, 7879, 9482, 4181, 1, 5, 19, 71, 265, 989, 3641]