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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.

A052229 a(n) is the first prime p from A031924 such that A052180(primepi(p)) = prime(n).

Table of values

n a(n)
3 23
4 47
5 251
6 167
7 727
8 433
9 941
10 1187
11 1453
12 1367
13 2417
14 4597
15 2207
16 3761
17 4657
18 4451
19 5557
20 6317
21 7517
22 8923
23 9043
24 17707
25 15227
26 12823
27 10607
28 33487
29 28663
30 29717
31 50417
32 31567
33 24793
34 24043
35 28753
36 28837
37 29983
38 29173
39 59951
40 45497

List of values

[23, 47, 251, 167, 727, 433, 941, 1187, 1453, 1367, 2417, 4597, 2207, 3761, 4657, 4451, 5557, 6317, 7517, 8923, 9043, 17707, 15227, 12823, 10607, 33487, 28663, 29717, 50417, 31567, 24793, 24043, 28753, 28837, 29983, 29173, 59951, 45497]

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

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