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.

A246342 a(0) = 12, after which, if a(n-1) = product_{k >= 1} (p_k)^(c_k), then a(n) = (1/2) * (1 + product_{k >= 1} (p_{k+1})^(c_k)), where p_k indicates the k-th prime, A000040(k).

Table of values

n a(n)
0 12
1 23
2 15
3 18
4 38
5 35
6 39
7 43
8 24
9 68
10 86
11 71
12 37
13 21
14 28
15 50
16 74
17 62
18 56
19 149
20 76
21 104
22 230
23 305
24 235
25 186
26 278
27 224
28 1337
29 1062
30 2288
31 8951
32 4482
33 16688
34 67271
35 33637
36 16821
37 66688
38 571901
39 338059
40 181516
41 258260
42 455900
43 1180337
44 1080207
45 1817863
46 1157487
47 984558
48 1230848
49 53764115

List of values

[12, 23, 15, 18, 38, 35, 39, 43, 24, 68, 86, 71, 37, 21, 28, 50, 74, 62, 56, 149, 76, 104, 230, 305, 235, 186, 278, 224, 1337, 1062, 2288, 8951, 4482, 16688, 67271, 33637, 16821, 66688, 571901, 338059, 181516, 258260, 455900, 1180337, 1080207, 1817863, 1157487, 984558, 1230848, 53764115]