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.

A072734 Simple triangle-stretching N X N -> N bijection, variant of A072732.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 12
5 4
6 7
7 17
8 18
9 5
10 6
11 23
12 40
13 24
14 8
15 11
16 31
17 49
18 50
19 25
20 9
21 10
22 30
23 59
24 84
25 60
26 32
27 13
28 16
29 39
30 71
31 97
32 98
33 61
34 33
35 14
36 15
37 38
38 70
39 111
40 144
41 112
42 72
43 41
44 19
45 22
46 48
47 83
48 127
49 161
50 162
51 113
52 73
53 42
54 20
55 21
56 47
57 82
58 126
59 179
60 220
61 180
62 128
63 85
64 51
65 26
66 29
67 58

List of values

[0, 1, 2, 3, 12, 4, 7, 17, 18, 5, 6, 23, 40, 24, 8, 11, 31, 49, 50, 25, 9, 10, 30, 59, 84, 60, 32, 13, 16, 39, 71, 97, 98, 61, 33, 14, 15, 38, 70, 111, 144, 112, 72, 41, 19, 22, 48, 83, 127, 161, 162, 113, 73, 42, 20, 21, 47, 82, 126, 179, 220, 180, 128, 85, 51, 26, 29, 58]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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