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.

A048980 Difference between number of nonprimes and primes in reduced residue system of primorial numbers.

Table of values

n a(n)
0 1
1 1
2 0
3 -6
4 -36
5 -196
6 -724
7 7512
8 366838
9 11928316
10 421130508
11 14598816402
12 584642184936
13 25314953837836
14 1128885572358548
15 54492272309366314
16 2950485568862138250
17 213151926413154110951

List of values

[1, 1, 0, -6, -36, -196, -724, 7512, 366838, 11928316, 421130508, 14598816402, 584642184936, 25314953837836, 1128885572358548, 54492272309366314, 2950485568862138250, 213151926413154110951]

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

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