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.

A064234 The least k such that A063994(k) = Product_{primes p dividing k} gcd(p-1, k-1) = n, or 0 if there's no such k.

Table of values

n a(n)
1 1
2 3
3 28
4 5
5 66
6 7
7 232
8 45
9 190
10 11
11 276
12 13
13 1106
14 0
15 286
16 17
17 1854
18 19
19 3820
20 891
21 2752
22 23
23 1128
24 595
25 2046
26 0
27 532
28 29
29 1770
30 31
31 9952
32 425
33 1288
34 0
35 2486
36 37
37 8474
38 0
39 742
40 41
41 3486
42 43
43 7612
44 5589
45 2356
46 47
47 13584
48 325
49 9850
50 0
51 20554
52 53
53 5778
54 0
55 12926
56 435
57 13282
58 59
59 42540
60 61

List of values

[1, 3, 28, 5, 66, 7, 232, 45, 190, 11, 276, 13, 1106, 0, 286, 17, 1854, 19, 3820, 891, 2752, 23, 1128, 595, 2046, 0, 532, 29, 1770, 31, 9952, 425, 1288, 0, 2486, 37, 8474, 0, 742, 41, 3486, 43, 7612, 5589, 2356, 47, 13584, 325, 9850, 0, 20554, 53, 5778, 0, 12926, 435, 13282, 59, 42540, 61]