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.

A239101 Riordan array read by rows, corresponding to array in A180562.

Table of values

n a(n)
0 1
1 2
2 1
3 4
4 2
5 1
6 10
7 5
8 2
9 1
10 26
11 13
12 6
13 2
14 1
15 70
16 35
17 16
18 7
19 2
20 1
21 192
22 96
23 45
24 19
25 8
26 2
27 1
28 534
29 267
30 126
31 56
32 22
33 9
34 2
35 1
36 1500
37 750
38 357
39 160
40 68
41 25
42 10
43 2
44 1
45 4246
46 2123
47 1016
48 463
49 198
50 81
51 28
52 11
53 2
54 1
55 12092
56 6046
57 2907
58 1337
59 586
60 240
61 95
62 31

List of values

[1, 2, 1, 4, 2, 1, 10, 5, 2, 1, 26, 13, 6, 2, 1, 70, 35, 16, 7, 2, 1, 192, 96, 45, 19, 8, 2, 1, 534, 267, 126, 56, 22, 9, 2, 1, 1500, 750, 357, 160, 68, 25, 10, 2, 1, 4246, 2123, 1016, 463, 198, 81, 28, 11, 2, 1, 12092, 6046, 2907, 1337, 586, 240, 95, 31]