A281880 - cp's OEIS frontend

A281880 Non-palindromic numbers k such that phi(k) | phi(R(k)), where R(k) is the digits reversal of k.

n	a(n)
1	12
2	15
3	18
4	19
5	36
6	37
7	56
8	124
9	126
10	132
11	165
12	168
13	178
14	189
15	190
16	192
17	198
18	199
19	219
20	234
21	238
22	298
23	308
24	348
25	387
26	396
27	418
28	427
29	429
30	468
31	506
32	518
33	724
34	756
35	924
36	1004
37	1066
38	1078
39	1089
40	1094
41	1107
42	1143
43	1209
44	1212
45	1314
46	1332
47	1358
48	1364
49	1386
50	1445
51	1452

[12, 15, 18, 19, 36, 37, 56, 124, 126, 132, 165, 168, 178, 189, 190, 192, 198, 199, 219, 234, 238, 298, 308, 348, 387, 396, 418, 427, 429, 468, 506, 518, 724, 756, 924, 1004, 1066, 1078, 1089, 1094, 1107, 1143, 1209, 1212, 1314, 1332, 1358, 1364, 1386, 1445, 1452]

cp's OEIS Frontend

A281880 Non-palindromic numbers k such that phi(k) | phi(R(k)), where R(k) is the digits reversal of k.

Table of values

List of values