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.

A217308 Minimal natural number (in decimal representation) with n prime substrings in base-8 representation (substrings with leading zeros are considered to be nonprime).

Table of values

n a(n)
0 1
1 2
2 11
3 19
4 83
5 107
6 157
7 669
8 751
9 1259
10 4957
11 6879
12 6011
13 14303
14 47071
15 48093
16 65371
17 188143
18 327515
19 440287
20 384751
21 1029883
22 2604783
23 2948955
24 3602299
25 6946651
26 20304733
27 23846747
28 23937003
29 23723867
30 57278299
31 167689071
32 175479547
33 191496027
34 233824091

List of values

[1, 2, 11, 19, 83, 107, 157, 669, 751, 1259, 4957, 6879, 6011, 14303, 47071, 48093, 65371, 188143, 327515, 440287, 384751, 1029883, 2604783, 2948955, 3602299, 6946651, 20304733, 23846747, 23937003, 23723867, 57278299, 167689071, 175479547, 191496027, 233824091]

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

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