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.

A088844 Multiply perfect numbers k for which the quotient sigma_3(k)/k = A001158(k)/k is nonintegral.

Table of values

n a(n)
1 28
2 2178540
3 45532800
4 142990848
5 14182439040
6 43861478400
7 518666803200
8 704575228896
9 13661860101120
10 181742883469056
11 740344994887680
12 20158185857531904
13 275502900594021408
14 71065075104190073088
15 87934476737668055040
16 154345556085770649600
17 1161492388333469337600

List of values

[28, 2178540, 45532800, 142990848, 14182439040, 43861478400, 518666803200, 704575228896, 13661860101120, 181742883469056, 740344994887680, 20158185857531904, 275502900594021408, 71065075104190073088, 87934476737668055040, 154345556085770649600, 1161492388333469337600]

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

Content is available under The OEIS End-User License Agreement.