A228299 - cp's OEIS frontend

A228299 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	21098
2	134930
3	343027
4	361730
5	387127
6	751394
7	793595
8	1344517
9	1430449
10	1579394
11	1794854
12	3542797
13	5022254
14	7930117
15	9241627
16	12122947
17	21089129
18	21928717
19	49825117
20	70233329
21	78795074
22	90079589
23	95208734
24	110995807
25	124648303
26	124964219
27	144871634

[21098, 134930, 343027, 361730, 387127, 751394, 793595, 1344517, 1430449, 1579394, 1794854, 3542797, 5022254, 7930117, 9241627, 12122947, 21089129, 21928717, 49825117, 70233329, 78795074, 90079589, 95208734, 110995807, 124648303, 124964219, 144871634]

cp's OEIS Frontend

A228299 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