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.

A319039 Triangle read by rows: T(n,k), n >= 1, k = 0..A005867(n), is the smallest integer m > 0 such that the interval [P(n)*m+1, P(n)*(m+1)] includes exactly k primes, where P(n) = A002110(n) is the n-th primorial, or 0 if no such m exists.

Table of values

n a(n)
1 4
2 1
3 15
4 4
5 1
6 360
7 83
8 17
9 26
10 10
11 4
12 3
13 1
14 0
15 1751793
16 235449
17 60110
18 10471
19 17110
20 8495
21 6288
22 3182
23 2452
24 1349
25 331
26 348
27 446
28 223
29 249
30 205
31 111
32 67
33 55
34 63
35 28
36 37
37 14
38 21
39 18
40 11
41 10
42 6
43 551
44 5
45 4
46 7
47 3
48 2

List of values

[4, 1, 15, 4, 1, 360, 83, 17, 26, 10, 4, 3, 1, 0, 1751793, 235449, 60110, 10471, 17110, 8495, 6288, 3182, 2452, 1349, 331, 348, 446, 223, 249, 205, 111, 67, 55, 63, 28, 37, 14, 21, 18, 11, 10, 6, 551, 5, 4, 7, 3, 2]