A229321 - cp's OEIS frontend

A229321 Composite squarefree numbers n such that p-tau(n) divides n+phi(n), where p are the prime factors of n, tau(n) = A000005(n) and phi(n) = A000010(n).

n	a(n)
1	6
2	10
3	15
4	21
5	39
6	110
7	170
8	609
9	897
10	935
11	1265
12	1729
13	2882
14	2915
15	12374
16	15387
17	161833
18	411230
19	444797
20	558830
21	842741
22	881705
23	1091810
24	1122501
25	1163990
26	1342165
27	1565565
28	1898259
29	2763901
30	4157605
31	4453697
32	4675877
33	5962835
34	6241610
35	6809690
36	7201599

[6, 10, 15, 21, 39, 110, 170, 609, 897, 935, 1265, 1729, 2882, 2915, 12374, 15387, 161833, 411230, 444797, 558830, 842741, 881705, 1091810, 1122501, 1163990, 1342165, 1565565, 1898259, 2763901, 4157605, 4453697, 4675877, 5962835, 6241610, 6809690, 7201599]

cp's OEIS Frontend

A229321 Composite squarefree numbers n such that p-tau(n) divides n+phi(n), where p are the prime factors of n, tau(n) = A000005(n) and phi(n) = A000010(n).

Table of values

List of values