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.

A216823 Prime factors of Giuga numbers A007850 with 8 or fewer prime divisors.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 13
7 17
8 23
9 31
10 41
11 43
12 59
13 71
14 103
15 163
16 1381
17 1831
18 3041
19 4447
20 47057
21 47059
22 47137
23 61559
24 67213
25 138683
26 713863
27 775807
28 2861051
29 28282147
30 29133437
31 2259696349
32 3892535183
33 110725121051
34 1456230512169437

List of values

[2, 3, 5, 7, 11, 13, 17, 23, 31, 41, 43, 59, 71, 103, 163, 1381, 1831, 3041, 4447, 47057, 47059, 47137, 61559, 67213, 138683, 713863, 775807, 2861051, 28282147, 29133437, 2259696349, 3892535183, 110725121051, 1456230512169437]

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

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