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.

A122136 Numerator of Sum[ Prime[k]^2, {k,1,n}] / Product[ Prime[k], {k,1,n}] = Numerator[ A024450[n] / A002110[n] ].

Table of values

n a(n)
1 2
2 13
3 19
4 29
5 104
6 29
7 111
8 79
9 778
10 47
11 73
12 163
13 1068
14 359
15 5233
16 885
17 142
18 20477
19 219
20 811
21 2524
22 13859
23 2203
24 56387
25 10966
26 75997
27 3331
28 6537
29 54968
30 1
31 23139
32 4457
33 87382
34 681
35 15449
36 239087
37 108
38 58061
39 159097
40 116041
41 1882
42 995
43 74901
44 7487

List of values

[2, 13, 19, 29, 104, 29, 111, 79, 778, 47, 73, 163, 1068, 359, 5233, 885, 142, 20477, 219, 811, 2524, 13859, 2203, 56387, 10966, 75997, 3331, 6537, 54968, 1, 23139, 4457, 87382, 681, 15449, 239087, 108, 58061, 159097, 116041, 1882, 995, 74901, 7487]