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.

A165621 Riordan array (c(x^2)*(1+xc(x^2)), xc(x^2)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 2
7 2
8 1
9 1
10 2
11 3
12 3
13 1
14 1
15 5
16 5
17 4
18 4
19 1
20 1
21 5
22 9
23 9
24 5
25 5
26 1
27 1
28 14
29 14
30 14
31 14
32 6
33 6
34 1
35 1
36 14
37 28
38 28
39 20
40 20
41 7
42 7
43 1
44 1
45 42
46 42
47 48
48 48
49 27
50 27
51 8
52 8
53 1
54 1
55 42
56 90
57 90
58 75
59 75
60 35
61 35
62 9
63 9
64 1
65 1

List of values

[1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 3, 3, 1, 1, 5, 5, 4, 4, 1, 1, 5, 9, 9, 5, 5, 1, 1, 14, 14, 14, 14, 6, 6, 1, 1, 14, 28, 28, 20, 20, 7, 7, 1, 1, 42, 42, 48, 48, 27, 27, 8, 8, 1, 1, 42, 90, 90, 75, 75, 35, 35, 9, 9, 1, 1]