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.

A209138 Triangle of coefficients of polynomials v(n,x) jointly generated with A209137; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 4
6 3
7 3
8 9
9 10
10 5
11 5
12 18
13 28
14 22
15 8
16 8
17 35
18 68
19 74
20 45
21 13
22 13
23 66
24 154
25 210
26 177
27 88
28 21
29 21
30 122
31 331
32 541
33 574
34 397
35 167
36 34
37 34
38 222
39 686
40 1302
41 1656
42 1446
43 850
44 310
45 55
46 55
47 399
48 1382
49 2982
50 4404
51 4614
52 3434
53 1758
54 566
55 89
56 89
57 710
58 2723

List of values

[1, 1, 2, 2, 4, 3, 3, 9, 10, 5, 5, 18, 28, 22, 8, 8, 35, 68, 74, 45, 13, 13, 66, 154, 210, 177, 88, 21, 21, 122, 331, 541, 574, 397, 167, 34, 34, 222, 686, 1302, 1656, 1446, 850, 310, 55, 55, 399, 1382, 2982, 4404, 4614, 3434, 1758, 566, 89, 89, 710, 2723]