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.

A171183 Numbers n such that sigmawt(n) = sigmawt(n+1), where sigmawt(n) is the sum of the divisors of n weighted by divisor multiplicity in n.

Table of values

n a(n)
1 14
2 957
3 1334
4 1634
5 2402
6 2685
7 20145
8 33998
9 42818
10 74918
11 79826
12 79833
13 84134
14 111506
15 122073
16 138237
17 147454
18 166934
19 201597
20 274533
21 289454
22 347738
23 383594
24 416577
25 440013
26 544334
27 605985
28 649154
29 655005
30 1060802
31 1642154
32 1674513

List of values

[14, 957, 1334, 1634, 2402, 2685, 20145, 33998, 42818, 74918, 79826, 79833, 84134, 111506, 122073, 138237, 147454, 166934, 201597, 274533, 289454, 347738, 383594, 416577, 440013, 544334, 605985, 649154, 655005, 1060802, 1642154, 1674513]