A050495 - cp's OEIS frontend

A050495 Numbers that are the first term of at least one arithmetic progression with 4 or more terms all having the same value of Euler's totient function phi(x).

n	a(n)
1	72
2	144
3	216
4	216
5	288
6	432
7	432
8	576
9	648
10	648
11	792
12	864
13	864
14	1080
15	1152
16	1224
17	1296
18	1296
19	1368
20	1446
21	1512
22	1584
23	1656
24	1728
25	1728
26	1944
27	1944
28	2088
29	2160
30	2232
31	2304
32	2376
33	2376
34	2448
35	2592
36	2592
37	2664
38	2736
39	2892
40	2952
41	3024
42	3096
43	3168

[72, 144, 216, 216, 288, 432, 432, 576, 648, 648, 792, 864, 864, 1080, 1152, 1224, 1296, 1296, 1368, 1446, 1512, 1584, 1656, 1728, 1728, 1944, 1944, 2088, 2160, 2232, 2304, 2376, 2376, 2448, 2592, 2592, 2664, 2736, 2892, 2952, 3024, 3096, 3168]

cp's OEIS Frontend

A050495 Numbers that are the first term of at least one arithmetic progression with 4 or more terms all having the same value of Euler's totient function phi(x).

Table of values

List of values