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.

A168012 a(n) = sum of all divisors of all numbers k such that n^2 <= k < (n+1)^2.

Table of values

n a(n)
1 8
2 48
3 133
4 302
5 516
6 923
7 1346
8 2038
9 2768
10 3891
11 4810
12 6572
13 7959
14 10066
15 12186
16 14944
17 17261
18 21210
19 23992
20 28497
21 32550
22 37742
23 42111
24 48906
25 54252
26 61280
27 68153
28 76958
29 82942
30 94661
31 101882
32 113082
33 123794
34 135583
35 145630
36 161526

List of values

[8, 48, 133, 302, 516, 923, 1346, 2038, 2768, 3891, 4810, 6572, 7959, 10066, 12186, 14944, 17261, 21210, 23992, 28497, 32550, 37742, 42111, 48906, 54252, 61280, 68153, 76958, 82942, 94661, 101882, 113082, 123794, 135583, 145630, 161526]