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.

A209577 Triangle of coefficients of polynomials u(n,x) jointly generated with A209578; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 2
6 1
7 5
8 6
9 3
10 1
11 9
12 13
13 10
14 4
15 1
16 15
17 28
18 26
19 15
20 5
21 1
22 25
23 56
24 64
25 45
26 21
27 6
28 1
29 41
30 109
31 146
32 124
33 71
34 28
35 7
36 1
37 67
38 206
39 319
40 315
41 216
42 105
43 36
44 8
45 1
46 109
47 382
48 671
49 758
50 602
51 349
52 148
53 45
54 9
55 1
56 177
57 697
58 1372
59 1744
60 1576
61 1056
62 533
63 201
64 55
65 10

List of values

[1, 1, 1, 3, 2, 1, 5, 6, 3, 1, 9, 13, 10, 4, 1, 15, 28, 26, 15, 5, 1, 25, 56, 64, 45, 21, 6, 1, 41, 109, 146, 124, 71, 28, 7, 1, 67, 206, 319, 315, 216, 105, 36, 8, 1, 109, 382, 671, 758, 602, 349, 148, 45, 9, 1, 177, 697, 1372, 1744, 1576, 1056, 533, 201, 55, 10]