A274444 - cp's OEIS frontend

A274444 a(n) = smallest composite squarefree number k such that (p-n) | (k+1) for all primes dividing k.

n	a(n)
1	15
2	65
3	35
4	15
5	21
6	35
7	15
8	35
9	35
10	77
11	35
12	55
13	55
14	143
15	119
16	51
17	95
18	155
19	55
20	323
21	95
22	119
23	39
24	391
25	87
26	209
27	119
28	299
29	143
30	341
31	319
32	629
33	259
34	899
35	407
36	185
37	119
38	299
39	287
40	1517
41	203
42	799
43	159
44	155
45	407
46	1189
47	119
48	517
49	341
50	1763
51	1363
52	629
53	335
54	2491
55	493
56	3599

[15, 65, 35, 15, 21, 35, 15, 35, 35, 77, 35, 55, 55, 143, 119, 51, 95, 155, 55, 323, 95, 119, 39, 391, 87, 209, 119, 299, 143, 341, 319, 629, 259, 899, 407, 185, 119, 299, 287, 1517, 203, 799, 159, 155, 407, 1189, 119, 517, 341, 1763, 1363, 629, 335, 2491, 493, 3599]

cp's OEIS Frontend

A274444 a(n) = smallest composite squarefree number k such that (p-n) | (k+1) for all primes dividing k.

Table of values

List of values