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.

A086511 a(n) is the smallest integer k > 1 such that k > n * pi(k), where pi() denotes the prime counting function.

Table of values

n a(n)
1 2
2 9
3 28
4 121
5 336
6 1081
7 3060
8 8409
9 23527
10 64541
11 175198
12 480865
13 1304499
14 3523885
15 9557956
16 25874753
17 70115413
18 189961183
19 514272412
20 1394193581
21 3779849620
22 10246935645
23 27788566030
24 75370121161
25 204475052376
26 554805820453
27 1505578023622
28 4086199301997

List of values

[2, 9, 28, 121, 336, 1081, 3060, 8409, 23527, 64541, 175198, 480865, 1304499, 3523885, 9557956, 25874753, 70115413, 189961183, 514272412, 1394193581, 3779849620, 10246935645, 27788566030, 75370121161, 204475052376, 554805820453, 1505578023622, 4086199301997]