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.

A171515 Riordan array (f(x), x*f(x)) where f(x) is the g.f. of A033543.

Table of values

n a(n)
0 1
1 2
2 1
3 5
4 4
5 1
6 16
7 14
8 6
9 1
10 62
11 52
12 27
13 8
14 1
15 270
16 213
17 116
18 44
19 10
20 1
21 1257
22 948
23 513
24 216
25 65
26 12
27 1
28 6096
29 4470
30 2376
31 1038
32 360
33 90
34 14
35 1
36 30398
37 21904
38 11468
39 5056
40 1880
41 556
42 119
43 16
44 1

List of values

[1, 2, 1, 5, 4, 1, 16, 14, 6, 1, 62, 52, 27, 8, 1, 270, 213, 116, 44, 10, 1, 1257, 948, 513, 216, 65, 12, 1, 6096, 4470, 2376, 1038, 360, 90, 14, 1, 30398, 21904, 11468, 5056, 1880, 556, 119, 16, 1]