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.

A370174 Triangle read by rows: Riordan array (1/(1 - x), x*(1 + x)/(1 - x - x^2)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 1
6 1
7 6
8 5
9 1
10 1
11 11
12 15
13 7
14 1
15 1
16 19
17 37
18 28
19 9
20 1
21 1
22 32
23 82
24 87
25 45
26 11
27 1
28 1
29 53
30 170
31 234
32 169
33 66
34 13
35 1
36 1
37 87
38 337
39 573
40 535
41 291
42 91
43 15
44 1
45 1
46 142
47 647
48 1314
49 1511
50 1061
51 461
52 120
53 17
54 1
55 1
56 231
57 1213
58 2871
59 3933
60 3398
61 1904
62 687
63 153
64 19
65 1

List of values

[1, 1, 1, 1, 3, 1, 1, 6, 5, 1, 1, 11, 15, 7, 1, 1, 19, 37, 28, 9, 1, 1, 32, 82, 87, 45, 11, 1, 1, 53, 170, 234, 169, 66, 13, 1, 1, 87, 337, 573, 535, 291, 91, 15, 1, 1, 142, 647, 1314, 1511, 1061, 461, 120, 17, 1, 1, 231, 1213, 2871, 3933, 3398, 1904, 687, 153, 19, 1]