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.

A358304 Array read by antidiagonals: T(n,k) (n>=0, k>=0) = number of decreasing lines defining the Farey diagram Farey(n,k) of order (n,k).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 2
5 0
6 0
7 5
8 5
9 0
10 0
11 9
12 10
13 9
14 0
15 0
16 14
17 19
18 19
19 14
20 0
21 0
22 20
23 27
24 32
25 27
26 20
27 0
28 0
29 27
30 40
31 47
32 47
33 40
34 27
35 0
36 0
37 35
38 51
39 68
40 66
41 68
42 51
43 35
44 0
45 0
46 44
47 68
48 85
49 96
50 96
51 85
52 68
53 44
54 0
55 0
56 54
57 82
58 112
59 118
60 134
61 118
62 112
63 82
64 54
65 0
66 0
67 65
68 103
69 137
70 156
71 167
72 167
73 156
74 137
75 103
76 65
77 0
78 0
79 77
80 120
81 166
82 187
83 217
84 204
85 217
86 187
87 166
88 120
89 77
90 0

List of values

[0, 0, 0, 0, 2, 0, 0, 5, 5, 0, 0, 9, 10, 9, 0, 0, 14, 19, 19, 14, 0, 0, 20, 27, 32, 27, 20, 0, 0, 27, 40, 47, 47, 40, 27, 0, 0, 35, 51, 68, 66, 68, 51, 35, 0, 0, 44, 68, 85, 96, 96, 85, 68, 44, 0, 0, 54, 82, 112, 118, 134, 118, 112, 82, 54, 0, 0, 65, 103, 137, 156, 167, 167, 156, 137, 103, 65, 0, 0, 77, 120, 166, 187, 217, 204, 217, 187, 166, 120, 77, 0]