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.

A270929 Numbers k such that (16*10^k - 31)/3 is prime.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 15
6 20
7 24
8 32
9 38
10 40
11 63
12 93
13 104
14 194
15 208
16 514
17 535
18 600
19 928
20 1300
21 1485
22 1780
23 2058
24 3060
25 3356
26 3721
27 6662
28 11552
29 15482
30 23000
31 27375
32 34748
33 57219
34 61251
35 85221
36 99656
37 103214
38 103244
39 276537

List of values

[1, 2, 3, 4, 15, 20, 24, 32, 38, 40, 63, 93, 104, 194, 208, 514, 535, 600, 928, 1300, 1485, 1780, 2058, 3060, 3356, 3721, 6662, 11552, 15482, 23000, 27375, 34748, 57219, 61251, 85221, 99656, 103214, 103244, 276537]

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

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