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.

A002961 Numbers k such that k and k+1 have same sum of divisors.

Table of values

n a(n)
1 14
2 206
3 957
4 1334
5 1364
6 1634
7 2685
8 2974
9 4364
10 14841
11 18873
12 19358
13 20145
14 24957
15 33998
16 36566
17 42818
18 56564
19 64665
20 74918
21 79826
22 79833
23 84134
24 92685
25 109214
26 111506
27 116937
28 122073
29 138237
30 147454
31 161001
32 162602
33 166934

List of values

[14, 206, 957, 1334, 1364, 1634, 2685, 2974, 4364, 14841, 18873, 19358, 20145, 24957, 33998, 36566, 42818, 56564, 64665, 74918, 79826, 79833, 84134, 92685, 109214, 111506, 116937, 122073, 138237, 147454, 161001, 162602, 166934]