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.

A209583 Triangle of coefficients of polynomials u(n,x) jointly generated with A209584; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 3
6 1
7 5
8 10
9 6
10 1
11 9
12 23
13 24
14 10
15 1
16 15
17 51
18 71
19 49
20 15
21 1
22 25
23 104
24 188
25 178
26 90
27 21
28 1
29 41
30 205
31 452
32 552
33 390
34 153
35 28
36 1
37 67
38 391
39 1025
40 1530
41 1396
42 776
43 245
44 36
45 1
46 109
47 730
48 2218
49 3927
50 4394
51 3169
52 1435
53 374
54 45
55 1
56 177
57 1339
58 4636
59 9502

List of values

[1, 1, 1, 3, 3, 1, 5, 10, 6, 1, 9, 23, 24, 10, 1, 15, 51, 71, 49, 15, 1, 25, 104, 188, 178, 90, 21, 1, 41, 205, 452, 552, 390, 153, 28, 1, 67, 391, 1025, 1530, 1396, 776, 245, 36, 1, 109, 730, 2218, 3927, 4394, 3169, 1435, 374, 45, 1, 177, 1339, 4636, 9502]