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.

A162170 Matrix inverse of A162169.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 0
6 1
7 2
8 0
9 3
10 1
11 5
12 0
13 6
14 0
15 1
16 16
17 0
18 20
19 0
20 5
21 1
22 61
23 0
24 75
25 0
26 15
27 0
28 1
29 272
30 0
31 336
32 0
33 70
34 0
35 7
36 1
37 1385
38 0
39 1708
40 0
41 350
42 0
43 28
44 0
45 1
46 7936
47 0
48 9792
49 0
50 2016
51 0
52 168
53 0
54 9
55 1
56 50521
57 0
58 62325
59 0
60 12810
61 0
62 1050
63 0
64 45
65 0
66 1
67 353792
68 0
69 436480
70 0
71 89760
72 0
73 7392
74 0

List of values

[1, 1, 1, 1, 0, 1, 2, 0, 3, 1, 5, 0, 6, 0, 1, 16, 0, 20, 0, 5, 1, 61, 0, 75, 0, 15, 0, 1, 272, 0, 336, 0, 70, 0, 7, 1, 1385, 0, 1708, 0, 350, 0, 28, 0, 1, 7936, 0, 9792, 0, 2016, 0, 168, 0, 9, 1, 50521, 0, 62325, 0, 12810, 0, 1050, 0, 45, 0, 1, 353792, 0, 436480, 0, 89760, 0, 7392, 0]