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.

A253073 Lexicographically earliest sequence of distinct numbers such that neither a(n) nor a(n-1)+a(n) is prime.

Table of values

n a(n)
1 0
2 1
3 8
4 4
5 6
6 9
7 12
8 10
9 14
10 16
11 18
12 15
13 20
14 22
15 24
16 21
17 25
18 26
19 28
20 27
21 30
22 32
23 33
24 35
25 34
26 36
27 38
28 39
29 42
30 40
31 44
32 46
33 45
34 48
35 50
36 49
37 51
38 54
39 52
40 56
41 55
42 57
43 58
44 60
45 62
46 63
47 65
48 64
49 66
50 68
51 70
52 72
53 69
54 74
55 76
56 77
57 75
58 78
59 80
60 81
61 84
62 82
63 86
64 85
65 87
66 88

List of values

[0, 1, 8, 4, 6, 9, 12, 10, 14, 16, 18, 15, 20, 22, 24, 21, 25, 26, 28, 27, 30, 32, 33, 35, 34, 36, 38, 39, 42, 40, 44, 46, 45, 48, 50, 49, 51, 54, 52, 56, 55, 57, 58, 60, 62, 63, 65, 64, 66, 68, 70, 72, 69, 74, 76, 77, 75, 78, 80, 81, 84, 82, 86, 85, 87, 88]

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

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