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.

A203069 Lexicographically earliest sequence of distinct positive numbers such that a(n-1)+a(n) is odd and composite.

Table of values

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

List of values

[1, 8, 7, 2, 13, 12, 3, 6, 9, 16, 5, 4, 11, 10, 15, 18, 17, 22, 23, 26, 19, 14, 21, 24, 25, 20, 29, 28, 27, 30, 33, 32, 31, 34, 35, 40, 37, 38, 39, 36, 41, 44, 43, 42, 45, 46, 47, 48, 51, 54, 57, 58, 53, 52, 59, 56, 49, 50, 55, 60, 61, 62, 63, 66, 67, 68, 65]