A274445 - cp's OEIS frontend

A274445 a(n) is the smallest composite squarefree number k such that (p+n) | (k-1) for every prime p dividing k.

n	a(n)
1	385
2	91
3	65
4	451
5	33
6	170171
7	145
8	1261
9	161
10	78409
11	469
12	294061
13	649
14	13051
15	1921
16	5251
17	721
18	8453501
19	145
20	300243
21	1121
22	47611
23	3601
24	1915801
25	1057
26	41311
27	545
28	5671
29	1261
30	19723133
31	4321
32	37759
33	6913
34	451
35	4033
36	102821
37	1513
38	40891
39	11521
40	1259497
41	721
42	364781
43	145

[385, 91, 65, 451, 33, 170171, 145, 1261, 161, 78409, 469, 294061, 649, 13051, 1921, 5251, 721, 8453501, 145, 300243, 1121, 47611, 3601, 1915801, 1057, 41311, 545, 5671, 1261, 19723133, 4321, 37759, 6913, 451, 4033, 102821, 1513, 40891, 11521, 1259497, 721, 364781, 145]

cp's OEIS Frontend

A274445 a(n) is the smallest composite squarefree number k such that (p+n) | (k-1) for every prime p dividing k.

Table of values

List of values