A078151 - cp's OEIS frontend

A078151 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	240
2	120
3	960
4	6528
5	4080
6	1920
7	15360
8	24960
9	61440
10	13440
11	16320
12	87360
13	983040
14	196560
15	1432080
16	130560
17	861840
18	32640
19	98280
20	114240
21	2545920
22	293760
23	261120
24	967680
25	174720
26	2673216
27	4194240
28	1081080
29	1044480
30	913920
31	1659840
32	424320

[240, 120, 960, 6528, 4080, 1920, 15360, 24960, 61440, 13440, 16320, 87360, 983040, 196560, 1432080, 130560, 861840, 32640, 98280, 114240, 2545920, 293760, 261120, 967680, 174720, 2673216, 4194240, 1081080, 1044480, 913920, 1659840, 424320]

cp's OEIS Frontend

A078151 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