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.

A344582 a(n) is the least k such that there are exactly n primes between prime(k) + 1 and floor(prime(k + 1)^2/prime(k)) (inclusive) or 0 if no such k exists.

Table of values

n a(n)
1 1
2 2
3 4
4 30
5 180
6 462
7 890
8 1532
9 3385
10 19871
11 29040
12 59257
13 66762
14 31545
15 597311
16 1448751
17 1421021
18 1293698
19 12768473
20 2279181
21 147165284
22 118374763
23 821495413
24 2618883054
25 2247521689
26 3145845927
27 7650216016
28 27357920380
29 22859974504
30 189924891289
31 78076882908
32 189573830057

List of values

[1, 2, 4, 30, 180, 462, 890, 1532, 3385, 19871, 29040, 59257, 66762, 31545, 597311, 1448751, 1421021, 1293698, 12768473, 2279181, 147165284, 118374763, 821495413, 2618883054, 2247521689, 3145845927, 7650216016, 27357920380, 22859974504, 189924891289, 78076882908, 189573830057]