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.

A097287 Rectangular array T by antidiagonals: T(n,k) = rank of n where (n,k) occurs in A097285, for distinct n,k and T(n,n)=0 for all n.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 0
6 6
7 7
8 5
9 4
10 12
11 13
12 9
13 0
14 8
15 20
16 21
17 15
18 11
19 10
20 14
21 30
22 31
23 23
24 17
25 0
26 16
27 22
28 42
29 43
30 33
31 25
32 19
33 18
34 24
35 32
36 56
37 57
38 45
39 35
40 27
41 0
42 26
43 34
44 44
45 72
46 73
47 59
48 47
49 37
50 29
51 28
52 36
53 46
54 58
55 90
56 91
57 75
58 61
59 49
60 39
61 0
62 38
63 48
64 60
65 74
66 110
67 111
68 93
69 77
70 63
71 51
72 41
73 40
74 50
75 62

List of values

[0, 1, 2, 3, 0, 6, 7, 5, 4, 12, 13, 9, 0, 8, 20, 21, 15, 11, 10, 14, 30, 31, 23, 17, 0, 16, 22, 42, 43, 33, 25, 19, 18, 24, 32, 56, 57, 45, 35, 27, 0, 26, 34, 44, 72, 73, 59, 47, 37, 29, 28, 36, 46, 58, 90, 91, 75, 61, 49, 39, 0, 38, 48, 60, 74, 110, 111, 93, 77, 63, 51, 41, 40, 50, 62]