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.

A247834 Maximal non-semiprime number which is a "preprime" of the n-th kind (defined in comment in A247395).

Table of values

n a(n)
1 8
2 45
3 125
4 343
5 325
6 833
7 1331
8 1573
9 2197
10 2057
11 3211
12 3289
13 4913
14 4901
15 6859
16 6647
17 8303
18 10051
19 10469
20 11191
21 12167
22 15341
23 16399
24 17081
25 18259
26 22103
27 24389
28 26071
29 29791
30 27347
31 31117
32 35557
33 36163
34 36859
35 39401
36 42439
37 50653
38 50933
39 52111
40 56129
41 56699

List of values

[8, 45, 125, 343, 325, 833, 1331, 1573, 2197, 2057, 3211, 3289, 4913, 4901, 6859, 6647, 8303, 10051, 10469, 11191, 12167, 15341, 16399, 17081, 18259, 22103, 24389, 26071, 29791, 27347, 31117, 35557, 36163, 36859, 39401, 42439, 50653, 50933, 52111, 56129, 56699]