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.

A261794 a(n) is the smallest nonzero number that is not a substring of n in decimal representation.

Table of values

n a(n)
0 1
1 2
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 2
11 2
12 3
13 2
14 2
15 2
16 2
17 2
18 2
19 2
20 1
21 3
22 1
23 1
24 1
25 1
26 1
27 1
28 1
29 1
30 1
31 2
32 1
33 1
34 1
35 1
36 1
37 1
38 1
39 1
40 1
41 2
42 1
43 1
44 1
45 1
46 1
47 1
48 1
49 1
50 1
51 2
52 1
53 1
54 1
55 1
56 1
57 1
58 1
59 1
60 1
61 2
62 1
63 1
64 1
65 1
66 1
67 1
68 1
69 1
70 1
71 2
72 1
73 1
74 1
75 1
76 1
77 1
78 1
79 1
80 1
81 2
82 1
83 1
84 1
85 1

List of values

[1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1]