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.

A083684 Numbers k such that there is no nonnegative integer m such that m < k*prime(k) and the concatenated decimal number fp(k,m) = prime(1).m.prime(2).m. ... .prime(k-1).m.prime(k) is prime.

Table of values

n a(n)
1 3
2 10
3 16
4 28
5 34
6 40
7 46
8 52
9 70
10 76
11 82
12 88
13 97
14 103
15 121
16 127
17 136
18 163
19 166
20 169
21 175
22 187
23 199
24 205
25 211
26 217
27 220
28 235
29 250
30 262
31 268

List of values

[3, 10, 16, 28, 34, 40, 46, 52, 70, 76, 82, 88, 97, 103, 121, 127, 136, 163, 166, 169, 175, 187, 199, 205, 211, 217, 220, 235, 250, 262, 268]

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

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