A078150 - cp's OEIS frontend

A078150 Smallest k such that d(phi(k)) - phi(d(k)) = n, where d(k) = A000005(k) and phi(k) = A000010(k).

n	a(n)
1	3
2	5
3	7
4	17
5	13
6	35
7	31
8	37
9	113
10	77
11	61
12	221
13	185
14	143
15	211
16	209
17	181
18	287
19	241
20	577
21	1729
22	403
23	421
24	1297
25	1057
26	1001
27	2113
28	779
29	1009
30	899
31	1321
32	1917
33	5629
34	1333
35	1801
36	2233
37	7125
38	1763
39	2161
40	2993
41	4433
42	4851
43	3737
44	3311
45	51319
46	2623
47	2521

[3, 5, 7, 17, 13, 35, 31, 37, 113, 77, 61, 221, 185, 143, 211, 209, 181, 287, 241, 577, 1729, 403, 421, 1297, 1057, 1001, 2113, 779, 1009, 899, 1321, 1917, 5629, 1333, 1801, 2233, 7125, 1763, 2161, 2993, 4433, 4851, 3737, 3311, 51319, 2623, 2521]

cp's OEIS Frontend

A078150 Smallest k such that d(phi(k)) - phi(d(k)) = n, where d(k) = A000005(k) and phi(k) = A000010(k).

Table of values

List of values