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.

A077159 Triangle in which n-th row contains smallest n numbers coprime to n which have not occurred earlier, with a(1)=2.

Table of values

n a(n)
1 2
2 1
3 3
4 4
5 5
6 7
7 9
8 11
9 13
10 15
11 6
12 8
13 12
14 14
15 16
16 17
17 19
18 23
19 25
20 29
21 31
22 10
23 18
24 20
25 22
26 24
27 26
28 27
29 21
30 33
31 35
32 37
33 39
34 41
35 43
36 45
37 28
38 32
39 34
40 38
41 40
42 44
43 46
44 47
45 49
46 51
47 53
48 57
49 59
50 61
51 63
52 67
53 69
54 71
55 73
56 30
57 36
58 42
59 48
60 50
61 52
62 54
63 56
64 58
65 60
66 62
67 55
68 65
69 77
70 79
71 83
72 85

List of values

[2, 1, 3, 4, 5, 7, 9, 11, 13, 15, 6, 8, 12, 14, 16, 17, 19, 23, 25, 29, 31, 10, 18, 20, 22, 24, 26, 27, 21, 33, 35, 37, 39, 41, 43, 45, 28, 32, 34, 38, 40, 44, 46, 47, 49, 51, 53, 57, 59, 61, 63, 67, 69, 71, 73, 30, 36, 42, 48, 50, 52, 54, 56, 58, 60, 62, 55, 65, 77, 79, 83, 85]

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

Content is available under The OEIS End-User License Agreement.