A361969 - cp's OEIS frontend

A361969 Numbers k with a single solution x to the equation uphi(x) = k, where uphi is the unitary totient function (A047994).

n	a(n)
1	3
2	7
3	14
4	15
5	31
6	54
7	62
8	63
9	127
10	154
11	174
12	182
13	186
14	234
15	246
16	254
17	255
18	294
19	308
20	318
21	322
22	364
23	406
24	414
25	496
26	510
27	511
28	516
29	534
30	558
31	574
32	594
33	644
34	666
35	678
36	762
37	804
38	806
39	812
40	846
41	870
42	948
43	1022
44	1023
45	1026
46	1036
47	1074
48	1098
49	1146
50	1148
51	1164
52	1204
53	1246

[3, 7, 14, 15, 31, 54, 62, 63, 127, 154, 174, 182, 186, 234, 246, 254, 255, 294, 308, 318, 322, 364, 406, 414, 496, 510, 511, 516, 534, 558, 574, 594, 644, 666, 678, 762, 804, 806, 812, 846, 870, 948, 1022, 1023, 1026, 1036, 1074, 1098, 1146, 1148, 1164, 1204, 1246]

cp's OEIS Frontend

A361969 Numbers k with a single solution x to the equation uphi(x) = k, where uphi is the unitary totient function (A047994).

Table of values

List of values