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.

A208610 Triangle of coefficients of polynomials u(n,x) jointly generated with A208611; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 3
6 3
7 1
8 5
9 9
10 7
11 1
12 7
13 17
14 25
15 17
16 1
17 9
18 27
19 55
20 69
21 41
22 1
23 11
24 39
25 99
26 171
27 187
28 99
29 1
30 13
31 53
32 159
33 341
34 515
35 501
36 239
37 1
38 15
39 69
40 237
41 599
42 1125
43 1515
44 1329
45 577
46 1
47 17
48 87
49 335
50 967
51 2141
52 3591
53 4373
54 3497
55 1393
56 1
57 19
58 107
59 455
60 1469
61 3713

List of values

[1, 1, 1, 1, 3, 3, 1, 5, 9, 7, 1, 7, 17, 25, 17, 1, 9, 27, 55, 69, 41, 1, 11, 39, 99, 171, 187, 99, 1, 13, 53, 159, 341, 515, 501, 239, 1, 15, 69, 237, 599, 1125, 1515, 1329, 577, 1, 17, 87, 335, 967, 2141, 3591, 4373, 3497, 1393, 1, 19, 107, 455, 1469, 3713]