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.

A130088 a(n) = numerator of Product_{k=1..n} k^mu(n+1-k), where mu(k) = A008683(k).

Table of values

n a(n)
1 1
2 2
3 3
4 2
5 5
6 3
7 7
8 1
9 3
10 25
11 22
12 21
13 104
14 21
15 20
16 11
17 408
18 585
19 380
20 55
21 6272
22 2431
23 14904
24 95
25 176000
26 25857
27 1008
28 149891
29 356352
30 10625
31 510136
32 35397
33 7904
34 224315
35 35280
36 776457
37 118513664
38 8265
39 135200
40 5425
41 143972204544
42 108150889

List of values

[1, 2, 3, 2, 5, 3, 7, 1, 3, 25, 22, 21, 104, 21, 20, 11, 408, 585, 380, 55, 6272, 2431, 14904, 95, 176000, 25857, 1008, 149891, 356352, 10625, 510136, 35397, 7904, 224315, 35280, 776457, 118513664, 8265, 135200, 5425, 143972204544, 108150889]