A167766 - cp's OEIS frontend

A167766 Minimum numbers whose phi of phi are multiples of the n-th prime: the n-th term is the minimum integer x such that: prime(n) | phi(phi(x)), prime(n) being the n-th prime.

n	a(n)
1	5
2	19
3	23
4	59
5	47
6	107
7	479
8	383
9	283
10	467
11	1367
12	1187
13	167
14	347
15	1319
16	643
17	2837
18	2203
19	2153
20	3413
21	587
22	5693
23	1997
24	359
25	5827
26	1619
27	2063
28	2999
29	4799
30	3167
31	1019
32	1579
33	5483
34	3343
35	7159
36	3023
37	12569
38	1307
39	4679
40	2083
41	719
42	3623
43	4597
44	3863
45	18917
46	4783

[5, 19, 23, 59, 47, 107, 479, 383, 283, 467, 1367, 1187, 167, 347, 1319, 643, 2837, 2203, 2153, 3413, 587, 5693, 1997, 359, 5827, 1619, 2063, 2999, 4799, 3167, 1019, 1579, 5483, 3343, 7159, 3023, 12569, 1307, 4679, 2083, 719, 3623, 4597, 3863, 18917, 4783]

cp's OEIS Frontend

A167766 Minimum numbers whose phi of phi are multiples of the n-th prime: the n-th term is the minimum integer x such that: prime(n) | phi(phi(x)), prime(n) being the n-th prime.

Table of values

List of values