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.

A156151 Primes p such that p+2 = 0 (mod pi(p)), where pi(p)=A000720(p) is the prime counting function.

Table of values

n a(n)
1 2
2 31
3 353
4 9559783
5 9559843
6 9559903
7 3779853313
8 27788573801
9 204475054073
10 204475054723
11 1505578024807
12 1505578025779
13 241849345578351691
14 1784546064357413809
15 1784546064357419959
16 97199410027249994623
17 97199410027250046643
18 97199410027250047453
19 97199410027250123143

List of values

[2, 31, 353, 9559783, 9559843, 9559903, 3779853313, 27788573801, 204475054073, 204475054723, 1505578024807, 1505578025779, 241849345578351691, 1784546064357413809, 1784546064357419959, 97199410027249994623, 97199410027250046643, 97199410027250047453, 97199410027250123143]

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

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