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.

A097288 Rectangular array read by antidiagonals obtained from A097287 by deleting the zeros.

Table of values

n a(n)
1 2
2 1
3 6
4 3
5 4
6 12
7 7
8 5
9 8
10 20
11 13
12 9
13 10
14 14
15 30
16 21
17 15
18 11
19 16
20 22
21 42
22 31
23 23
24 17
25 18
26 24
27 32
28 56
29 43
30 33
31 25
32 19
33 26
34 34
35 44
36 72
37 57
38 45
39 35
40 27
41 28
42 36
43 46
44 58
45 90
46 73
47 59
48 47
49 37
50 29
51 38
52 48
53 60
54 74
55 110
56 91
57 75
58 61
59 49
60 39
61 40
62 50
63 62
64 76
65 92
66 132
67 111
68 93
69 77
70 63
71 51

List of values

[2, 1, 6, 3, 4, 12, 7, 5, 8, 20, 13, 9, 10, 14, 30, 21, 15, 11, 16, 22, 42, 31, 23, 17, 18, 24, 32, 56, 43, 33, 25, 19, 26, 34, 44, 72, 57, 45, 35, 27, 28, 36, 46, 58, 90, 73, 59, 47, 37, 29, 38, 48, 60, 74, 110, 91, 75, 61, 49, 39, 40, 50, 62, 76, 92, 132, 111, 93, 77, 63, 51]