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.

A137817 Cubeful "year numbers" (such that phi(n) = 2 phi(sigma(n)): A137815).

Table of values

n a(n)
1 295569
2 295947
3 1586763
4 1811079
5 1964375
6 2069469
7 4473387
8 5854375
9 6820555
10 7285923
11 10936053
12 12233457
13 13260625
14 18029709
15 18052767
16 21153663
17 21576537
18 21604131
19 22182093
20 22877451
21 23744043
22 25536875
23 28340307
24 34102775

List of values

[295569, 295947, 1586763, 1811079, 1964375, 2069469, 4473387, 5854375, 6820555, 7285923, 10936053, 12233457, 13260625, 18029709, 18052767, 21153663, 21576537, 21604131, 22182093, 22877451, 23744043, 25536875, 28340307, 34102775]