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.

A112973 Riordan array (1/(1-x-x^2), x(1+x)/(1-x-x^2)^2).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 4
5 1
6 3
7 12
8 7
9 1
10 5
11 31
12 31
13 10
14 1
15 8
16 73
17 110
18 59
19 13
20 1
21 13
22 162
23 340
24 267
25 96
26 16
27 1
28 21
29 344
30 956
31 1022
32 529
33 142
34 19
35 1
36 34
37 707
38 2507
39 3479
40 2416
41 923
42 197
43 22
44 1
45 55
46 1416
47 6231
48 10850
49 9657
50 4900
51 1476
52 261
53 25
54 1
55 89
56 2778
57 14840
58 31606
59 34905

List of values

[1, 1, 1, 2, 4, 1, 3, 12, 7, 1, 5, 31, 31, 10, 1, 8, 73, 110, 59, 13, 1, 13, 162, 340, 267, 96, 16, 1, 21, 344, 956, 1022, 529, 142, 19, 1, 34, 707, 2507, 3479, 2416, 923, 197, 22, 1, 55, 1416, 6231, 10850, 9657, 4900, 1476, 261, 25, 1, 89, 2778, 14840, 31606, 34905]