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.

A007850 Giuga numbers: composite numbers n such that p divides n/p - 1 for every prime divisor p of n.

Table of values

n a(n)
1 30
2 858
3 1722
4 66198
5 2214408306
6 24423128562
7 432749205173838
8 14737133470010574
9 550843391309130318
10 244197000982499715087866346
11 554079914617070801288578559178
12 1910667181420507984555759916338506

List of values

[30, 858, 1722, 66198, 2214408306, 24423128562, 432749205173838, 14737133470010574, 550843391309130318, 244197000982499715087866346, 554079914617070801288578559178, 1910667181420507984555759916338506]