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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.

A038625 a(n) is smallest number m such that m = n*pi(m), where pi(k) = number of primes <= k (A000720).

Table of values

n a(n)
2 2
3 27
4 96
5 330
6 1008
7 3059
8 8408
9 23526
10 64540
11 175197
12 480852
13 1304498
14 3523884
15 9557955
16 25874752
17 70115412
18 189961182
19 514272411
20 1394193580
21 3779849598
22 10246935644
23 27788566029
24 75370121160
25 204475052375
26 554805820452
27 1505578023621
28 4086199301996
29 11091501630949

List of values

[2, 27, 96, 330, 1008, 3059, 8408, 23526, 64540, 175197, 480852, 1304498, 3523884, 9557955, 25874752, 70115412, 189961182, 514272411, 1394193580, 3779849598, 10246935644, 27788566029, 75370121160, 204475052375, 554805820452, 1505578023621, 4086199301996, 11091501630949]

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

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