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.

A004721 Delete all 2's from the sequence of nonnegative integers.

Table of values

n a(n)
0 0
1 1
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 1
12 13
13 14
14 15
15 16
16 17
17 18
18 19
19 0
20 1
21 3
22 4
23 5
24 6
25 7
26 8
27 9
28 30
29 31
30 3
31 33
32 34
33 35
34 36
35 37
36 38
37 39
38 40
39 41
40 4
41 43
42 44
43 45
44 46
45 47
46 48
47 49
48 50
49 51
50 5
51 53
52 54
53 55
54 56
55 57
56 58
57 59
58 60
59 61
60 6
61 63
62 64
63 65
64 66
65 67
66 68
67 69
68 70
69 71
70 7
71 73
72 74
73 75

List of values

[0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1, 13, 14, 15, 16, 17, 18, 19, 0, 1, 3, 4, 5, 6, 7, 8, 9, 30, 31, 3, 33, 34, 35, 36, 37, 38, 39, 40, 41, 4, 43, 44, 45, 46, 47, 48, 49, 50, 51, 5, 53, 54, 55, 56, 57, 58, 59, 60, 61, 6, 63, 64, 65, 66, 67, 68, 69, 70, 71, 7, 73, 74, 75]

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

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