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.

A209999 Triangle of coefficients of polynomials u(n,x) jointly generated with A210287; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 6
6 3
7 7
8 16
9 13
10 4
11 12
12 36
13 44
14 24
15 5
16 20
17 76
18 122
19 100
20 40
21 6
22 33
23 152
24 306
25 332
26 201
27 62
28 7
29 54
30 294
31 712
32 968
33 783
34 370
35 91
36 8
37 88
38 554
39 1573
40 2572
41 2614
42 1666
43 637
44 128
45 9
46 143
47 1024
48 3339
49 6392
50 7829
51 6296
52 3277
53 1040
54 174
55 10
56 232
57 1864

List of values

[1, 2, 2, 4, 6, 3, 7, 16, 13, 4, 12, 36, 44, 24, 5, 20, 76, 122, 100, 40, 6, 33, 152, 306, 332, 201, 62, 7, 54, 294, 712, 968, 783, 370, 91, 8, 88, 554, 1573, 2572, 2614, 1666, 637, 128, 9, 143, 1024, 3339, 6392, 7829, 6296, 3277, 1040, 174, 10, 232, 1864]