A225704 - cp's OEIS frontend

A225704 Composite squarefree numbers n such that p(i)-4 divides n+4, where p(i) are the prime factors of n.

n	a(n)
1	6
2	10
3	14
4	15
5	30
6	35
7	66
8	266
9	455
10	806
11	4154
12	4686
13	6665
14	10370
15	16646
16	22781
17	31146
18	36305
19	72086
20	205871
21	246506
22	473711
23	570011
24	653666
25	733586
26	900581
27	904046
28	1422410
29	1941971
30	1969565
31	2023010
32	2807255
33	2821269
34	3009821
35	3043274
36	3355271
37	3880301

[6, 10, 14, 15, 30, 35, 66, 266, 455, 806, 4154, 4686, 6665, 10370, 16646, 22781, 31146, 36305, 72086, 205871, 246506, 473711, 570011, 653666, 733586, 900581, 904046, 1422410, 1941971, 1969565, 2023010, 2807255, 2821269, 3009821, 3043274, 3355271, 3880301]

cp's OEIS Frontend

A225704 Composite squarefree numbers n such that p(i)-4 divides n+4, where p(i) are the prime factors of n.

Table of values

List of values