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.

A330530 Lexicographically earliest sequence of distinct positive integers such that the product of two consecutive terms is always divisible by 4.

Table of values

n a(n)
1 1
2 4
3 2
4 6
5 8
6 3
7 12
8 5
9 16
10 7
11 20
12 9
13 24
14 10
15 14
16 18
17 22
18 26
19 28
20 11
21 32
22 13
23 36
24 15
25 40
26 17
27 44
28 19
29 48
30 21
31 52
32 23
33 56
34 25
35 60
36 27
37 64
38 29
39 68
40 30
41 34
42 38
43 42
44 46
45 50
46 54
47 58
48 62
49 66
50 70
51 72
52 31
53 76
54 33
55 80
56 35
57 84
58 37
59 88
60 39
61 92
62 41
63 96
64 43
65 100
66 45
67 104

List of values

[1, 4, 2, 6, 8, 3, 12, 5, 16, 7, 20, 9, 24, 10, 14, 18, 22, 26, 28, 11, 32, 13, 36, 15, 40, 17, 44, 19, 48, 21, 52, 23, 56, 25, 60, 27, 64, 29, 68, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 72, 31, 76, 33, 80, 35, 84, 37, 88, 39, 92, 41, 96, 43, 100, 45, 104]

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

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