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.

A210221 Triangle of coefficients of polynomials u(n,x) jointly generated with A210596; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 3
4 2
5 5
6 4
7 4
8 8
9 10
10 8
11 8
12 13
13 20
14 24
15 16
16 16
17 21
18 40
19 52
20 56
21 32
22 32
23 34
24 76
25 116
26 128
27 128
28 64
29 64
30 55
31 142
32 240
33 312
34 304
35 288
36 128
37 128
38 89
39 260
40 488
41 688
42 800
43 704
44 640
45 256
46 256
47 144
48 470
49 964
50 1496
51 1856
52 1984
53 1600
54 1408
55 512
56 512
57 233
58 840

List of values

[1, 2, 3, 2, 5, 4, 4, 8, 10, 8, 8, 13, 20, 24, 16, 16, 21, 40, 52, 56, 32, 32, 34, 76, 116, 128, 128, 64, 64, 55, 142, 240, 312, 304, 288, 128, 128, 89, 260, 488, 688, 800, 704, 640, 256, 256, 144, 470, 964, 1496, 1856, 1984, 1600, 1408, 512, 512, 233, 840]