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.

A209559 Triangle of coefficients of polynomials u(n,x) jointly generated with A209560; 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 8
9 3
10 1
11 9
12 17
13 15
14 4
15 1
16 15
17 38
18 39
19 24
20 5
21 1
22 25
23 76
24 104
25 74
26 35
27 6
28 1
29 41
30 149
31 242
32 229
33 125
34 48
35 7
36 1
37 67
38 282
39 543
40 607
41 440
42 195
43 63
44 8
45 1
46 109
47 524
48 1159
49 1531
50 1308
51 769
52 287
53 80
54 9
55 1
56 177
57 957
58 2401
59 3631
60 3660
61 2533
62 1253
63 404

List of values

[1, 1, 1, 3, 2, 1, 5, 8, 3, 1, 9, 17, 15, 4, 1, 15, 38, 39, 24, 5, 1, 25, 76, 104, 74, 35, 6, 1, 41, 149, 242, 229, 125, 48, 7, 1, 67, 282, 543, 607, 440, 195, 63, 8, 1, 109, 524, 1159, 1531, 1308, 769, 287, 80, 9, 1, 177, 957, 2401, 3631, 3660, 2533, 1253, 404]