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.

A325175 Numbers k such that s(k) = s(k+1) = s(k+2) = s(k+3) where s(k) is the sum of divisors of k that are smaller than sqrt(k) (A070039).

Table of values

n a(n)
1 2
2 1190499411
3 7896840789
4 9190223334
5 10546199943
6 13239147654
7 16488284454
8 19818736503
9 19927041063
10 20401914903
11 20551875063
12 24219563814
13 25442242503
14 27391724583
15 34539825543
16 35714513463
17 37014168183
18 44120613543
19 44130940614
20 44514172134
21 48647900639

List of values

[2, 1190499411, 7896840789, 9190223334, 10546199943, 13239147654, 16488284454, 19818736503, 19927041063, 20401914903, 20551875063, 24219563814, 25442242503, 27391724583, 34539825543, 35714513463, 37014168183, 44120613543, 44130940614, 44514172134, 48647900639]