A291175 - cp's OEIS frontend

A291175 Numbers k such that lambda(k) = lambda(k-1) + lambda(k-2), where lambda(k) is Carmichael lambda function (A002322).

n	a(n)
1	3
2	5
3	7
4	11
5	13
6	22
7	46
8	371
9	717
10	1379
11	1436
12	1437
13	3532
14	5146
15	12209
16	35652
17	45236
18	58096
19	93932
20	130170
21	263589
22	327095
23	402056
24	680068
25	808303
26	814453
27	870689
28	991942
29	1178628
30	1670065
31	1686526
32	2041276
33	2319102
34	2324004
35	3869372
36	4290742
37	4449280

[3, 5, 7, 11, 13, 22, 46, 371, 717, 1379, 1436, 1437, 3532, 5146, 12209, 35652, 45236, 58096, 93932, 130170, 263589, 327095, 402056, 680068, 808303, 814453, 870689, 991942, 1178628, 1670065, 1686526, 2041276, 2319102, 2324004, 3869372, 4290742, 4449280]

cp's OEIS Frontend

A291175 Numbers k such that lambda(k) = lambda(k-1) + lambda(k-2), where lambda(k) is Carmichael lambda function (A002322).

Table of values

List of values