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.

A208338 Triangle of coefficients of polynomials u(n,x) jointly generated with A208339; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 3
7 1
8 3
9 7
10 7
11 1
12 4
13 12
14 20
15 17
16 1
17 5
18 18
19 40
20 57
21 41
22 1
23 6
24 25
25 68
26 129
27 158
28 99
29 1
30 7
31 33
32 105
33 243
34 399
35 431
36 239
37 1
38 8
39 42
40 152
41 410
42 824
43 1200
44 1160
45 577
46 1
47 9
48 52
49 210
50 642
51 1506
52 2692
53 3528
54 3089
55 1393
56 1
57 10
58 63
59 280
60 952
61 2532
62 5290

List of values

[1, 1, 1, 1, 2, 3, 1, 3, 7, 7, 1, 4, 12, 20, 17, 1, 5, 18, 40, 57, 41, 1, 6, 25, 68, 129, 158, 99, 1, 7, 33, 105, 243, 399, 431, 239, 1, 8, 42, 152, 410, 824, 1200, 1160, 577, 1, 9, 52, 210, 642, 1506, 2692, 3528, 3089, 1393, 1, 10, 63, 280, 952, 2532, 5290]