A227973 - cp's OEIS frontend

A227973 Minimum composite squarefree numbers k such that p(i)-n divides k+n, for n=1, 2, 3, 4,..., where p(i) are the prime factors of k.

n	a(n)
1	15
2	273
3	77
4	6
5	21
6	6
7	33
8	10
9	15
10	14
11	21
12	33
13	35
14	22
15	33
16	26
17	39
18	57
19	65
20	34
21	51
22	38
23	57
24	551
25	95
26	46
27	69
28	203
29	115
30	145
31	161
32	58
33	87
34	62
35	93
36	629
37	155
38	697
39	217
40	74
41	111
42	518
43	185
44	82
45	123
46	86
47	129
48	2537
49	215
50	94
51	141
52	689
53	235
54	4366
55	329
56	106
57	159
58	1247
59	265

[15, 273, 77, 6, 21, 6, 33, 10, 15, 14, 21, 33, 35, 22, 33, 26, 39, 57, 65, 34, 51, 38, 57, 551, 95, 46, 69, 203, 115, 145, 161, 58, 87, 62, 93, 629, 155, 697, 217, 74, 111, 518, 185, 82, 123, 86, 129, 2537, 215, 94, 141, 689, 235, 4366, 329, 106, 159, 1247, 265]

cp's OEIS Frontend

A227973 Minimum composite squarefree numbers k such that p(i)-n divides k+n, for n=1, 2, 3, 4,..., where p(i) are the prime factors of k.

Table of values

List of values