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.

A217103 Minimal number (in decimal representation) with n nonprime substrings in base-3 representation (substrings with leading zeros are considered to be nonprime).

Table of values

n a(n)
0 2
1 1
2 3
3 4
4 14
5 9
6 34
7 29
8 30
9 27
10 89
11 88
12 83
13 84
14 81
15 268
16 251
17 250
18 248
19 245
20 243
21 752
22 754
23 746
24 740
25 734
26 731
27 729
28 2237
29 2239
30 2210
31 2203
32 2198
33 2192
34 2189
35 2187
36 6632
37 6611
38 6614
39 6584
40 6577
41 6569
42 6563
43 6564
44 6561
45 19814
46 19754
47 19733
48 19736
49 19706

List of values

[2, 1, 3, 4, 14, 9, 34, 29, 30, 27, 89, 88, 83, 84, 81, 268, 251, 250, 248, 245, 243, 752, 754, 746, 740, 734, 731, 729, 2237, 2239, 2210, 2203, 2198, 2192, 2189, 2187, 6632, 6611, 6614, 6584, 6577, 6569, 6563, 6564, 6561, 19814, 19754, 19733, 19736, 19706]