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.

A217302 Minimal natural number (in decimal representation) with n prime substrings in binary representation (substrings with leading zeros are considered to be nonprime).

Table of values

n a(n)
0 1
1 2
2 5
3 7
4 11
5 15
6 27
7 23
8 31
9 55
10 47
11 63
12 111
13 95
14 187
15 127
16 223
17 191
18 381
19 255
20 447
21 503
22 383
23 511
24 1015
25 895
26 767
27 1023
28 1533
29 1791
30 1535
31 1919
32 3039
33 3069
34 3067
35 3839
36 3967
37 6079
38 6139
39 6135
40 7679
41 8063
42 8159
43 12159
44 12271
45 15359
46 16127

List of values

[1, 2, 5, 7, 11, 15, 27, 23, 31, 55, 47, 63, 111, 95, 187, 127, 223, 191, 381, 255, 447, 503, 383, 511, 1015, 895, 767, 1023, 1533, 1791, 1535, 1919, 3039, 3069, 3067, 3839, 3967, 6079, 6139, 6135, 7679, 8063, 8159, 12159, 12271, 15359, 16127]