A228301 - cp's OEIS frontend

A228301 Composite squarefree numbers n such that p-d(n) divides n+d(n), where p are the prime factors of n and d(n) the number of divisors of n.

n	a(n)
1	6
2	10
3	14
4	15
5	35
6	70
7	154
8	190
9	322
10	385
11	442
12	595
13	682
14	2737
15	3619
16	14986
17	15314
18	19019
19	24817
20	26767
21	33626
22	78387
23	85034
24	130169
25	155363
26	166934
27	189727
28	214107
29	225029
30	238901
31	243217
32	285934
33	381547
34	395219
35	415679
36	417989
37	455609
38	466193
39	544918

[6, 10, 14, 15, 35, 70, 154, 190, 322, 385, 442, 595, 682, 2737, 3619, 14986, 15314, 19019, 24817, 26767, 33626, 78387, 85034, 130169, 155363, 166934, 189727, 214107, 225029, 238901, 243217, 285934, 381547, 395219, 415679, 417989, 455609, 466193, 544918]

cp's OEIS Frontend

A228301 Composite squarefree numbers n such that p-d(n) divides n+d(n), where p are the prime factors of n and d(n) the number of divisors of n.

Table of values

List of values