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.

A072735 Simple triangle-stretching N X N -> N bijection: Inverse of A072734, variant of A072733.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 5
5 9
6 10
7 6
8 14
9 20
10 21
11 15
12 4
13 27
14 35
15 36
16 28
17 7
18 8
19 44
20 54
21 55
22 45
23 11
24 13
25 19
26 65
27 77
28 78
29 66
30 22
31 16
32 26
33 34
34 90
35 104
36 105
37 91
38 37
39 29
40 12
41 43
42 53
43 119
44 135
45 136
46 120
47 56
48 46
49 17
50 18
51 64
52 76
53 152
54 170
55 171
56 153
57 79
58 67
59 23
60 25
61 33
62 89
63 103
64 189
65 209
66 210

List of values

[0, 1, 2, 3, 5, 9, 10, 6, 14, 20, 21, 15, 4, 27, 35, 36, 28, 7, 8, 44, 54, 55, 45, 11, 13, 19, 65, 77, 78, 66, 22, 16, 26, 34, 90, 104, 105, 91, 37, 29, 12, 43, 53, 119, 135, 136, 120, 56, 46, 17, 18, 64, 76, 152, 170, 171, 153, 79, 67, 23, 25, 33, 89, 103, 189, 209, 210]