A234542 - cp's OEIS frontend

A234542 Positive integer solutions to sigma(sigma(k) - k - 3)/phi(k - phi(k) + 3) = 3.

n	a(n)
1	15
2	35
3	68
4	95
5	119
6	143
7	155
8	188
9	203
10	280
11	289
12	299
13	323
14	371
15	395
16	611
17	695
18	731
19	779
20	791
21	803
22	851
23	899
24	923
25	959
26	995
27	1055
28	1139
29	1146
30	1199
31	1355
32	1369
33	1379
34	1391
35	1403
36	1424
37	1643
38	1703
39	1739
40	1751
41	1763
42	1883
43	1895
44	1919
45	2051
46	2123
47	2159
48	2231
49	2471
50	2483
51	2723
52	2759
53	2809

[15, 35, 68, 95, 119, 143, 155, 188, 203, 280, 289, 299, 323, 371, 395, 611, 695, 731, 779, 791, 803, 851, 899, 923, 959, 995, 1055, 1139, 1146, 1199, 1355, 1369, 1379, 1391, 1403, 1424, 1643, 1703, 1739, 1751, 1763, 1883, 1895, 1919, 2051, 2123, 2159, 2231, 2471, 2483, 2723, 2759, 2809]

cp's OEIS Frontend

A234542 Positive integer solutions to sigma(sigma(k) - k - 3)/phi(k - phi(k) + 3) = 3.

Table of values

List of values