A252255 - cp's OEIS frontend

A252255 Numbers n such that sigma(Rev(phi(n))) = phi(Rev(sigma(n))), where sigma is the sum of divisors and phi the Euler totient function.

n	a(n)
1	1
2	14
3	61
4	966
5	1428
6	9174
7	15642
8	19934
9	22155
10	27075
11	36650
12	48731
13	51095
14	54184
15	57902
16	59711
17	61039
18	89276
19	98645
20	113080
21	126850
22	140283
23	142149
24	154670
25	165822
26	190908
27	197705
28	198712
29	202096
30	203107
31	247268
32	274368
33	274716
34	307836
35	311925
36	331037
37	366740

[1, 14, 61, 966, 1428, 9174, 15642, 19934, 22155, 27075, 36650, 48731, 51095, 54184, 57902, 59711, 61039, 89276, 98645, 113080, 126850, 140283, 142149, 154670, 165822, 190908, 197705, 198712, 202096, 203107, 247268, 274368, 274716, 307836, 311925, 331037, 366740]

cp's OEIS Frontend

A252255 Numbers n such that sigma(Rev(phi(n))) = phi(Rev(sigma(n))), where sigma is the sum of divisors and phi the Euler totient function.

Table of values

List of values