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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.

A259143 Number of distinct digits needed to write the calendar date of n-th day of a non-leap year in decimal representation, without leading zeros.

Table of values

n a(n)
1 1
2 2
3 2
4 2
5 2
6 2
7 2
8 2
9 2
10 2
11 1
12 2
13 2
14 2
15 2
16 2
17 2
18 2
19 2
20 3
21 2
22 2
23 3
24 3
25 3
26 3
27 3
28 3
29 3
30 3
31 2
32 2
33 1
34 2
35 2
36 2
37 2
38 2
39 2
40 2
41 3
42 2
43 2
44 3
45 3
46 3
47 3
48 3
49 3
50 3
51 2
52 2
53 1
54 2
55 2
56 2
57 2
58 2
59 2
60 2
61 2
62 1
63 2
64 2
65 2
66 2
67 2
68 2
69 3
70 2
71 3
72 2
73 3
74 3
75 3
76 3
77 3
78 3
79 3
80 3
81 2
82 2
83 3
84 3
85 3
86 3

List of values

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

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

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