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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.

A276512 a(n) = smallest integer not yet in the sequence with no digits in common with a(n-2); a(0)=0, a(1)=1.

Table of values

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

List of values

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

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

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