A333742 - cp's OEIS frontend

A333742 Numbers k such that lambda(k) = lambda(k+2), where lambda is the Carmichael lambda function (A002322).

n	a(n)
1	4
2	6
3	7
4	180
5	208
6	427
7	1183
8	1330
9	1404
10	1480
11	1584
12	1651
13	1672
14	2013
15	2695
16	2715
17	3256
18	3439
19	5250
20	5668
21	5698
22	5950
23	5955
24	7600
25	12243
26	13392
27	13715
28	14768
29	22263
30	22878
31	23347
32	24804
33	26100
34	30500
35	32940
36	43648
37	45870
38	46205
39	52548
40	54481
41	59148
42	59780
43	62719

[4, 6, 7, 180, 208, 427, 1183, 1330, 1404, 1480, 1584, 1651, 1672, 2013, 2695, 2715, 3256, 3439, 5250, 5668, 5698, 5950, 5955, 7600, 12243, 13392, 13715, 14768, 22263, 22878, 23347, 24804, 26100, 30500, 32940, 43648, 45870, 46205, 52548, 54481, 59148, 59780, 62719]

cp's OEIS Frontend

A333742 Numbers k such that lambda(k) = lambda(k+2), where lambda is the Carmichael lambda function (A002322).

Table of values

List of values