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.

A344723 a(n) = Sum_{k=1..n} (-1)^(k+1) * floor(n/k)^5.

Table of values

n a(n)
1 1
2 31
3 243
4 992
5 3094
6 7564
7 16596
8 31744
9 58237
10 97117
11 158169
12 241837
13 364299
14 521829
15 745693
16 1018120
17 1389402
18 1837302
19 2423834
20 3105432
21 3998776
22 5007286
23 6289998
24 7738784
25 9543887
26 11537207
27 14031231
28 16717879
29 20018661
30 23629281
31 27958433
32 32577739
33 38219963
34 44148743

List of values

[1, 31, 243, 992, 3094, 7564, 16596, 31744, 58237, 97117, 158169, 241837, 364299, 521829, 745693, 1018120, 1389402, 1837302, 2423834, 3105432, 3998776, 5007286, 6289998, 7738784, 9543887, 11537207, 14031231, 16717879, 20018661, 23629281, 27958433, 32577739, 38219963, 44148743]