A318555 - cp's OEIS frontend

A318555 "Strong impostors" not divisible by 4: Those numbers s !== 0 (mod 4) such that lambda(s) | 2(s-1), where lambda is the Carmichael function (A002322).

n	a(n)
1	6
2	15
3	66
4	91
5	435
6	561
7	703
8	946
9	1105
10	1729
11	1891
12	2465
13	2701
14	2821
15	2926
16	3367
17	5551
18	6601
19	8646
20	8695
21	8911
22	10585
23	11305
24	12403
25	13981
26	15051
27	15841
28	16471
29	18721
30	23001
31	26335
32	29341
33	30889
34	38503
35	39865
36	41041
37	46657
38	49141
39	52633
40	53131
41	62745
42	63973
43	68101
44	75361
45	76627
46	76798
47	79003
48	88561
49	88831
50	91001

[6, 15, 66, 91, 435, 561, 703, 946, 1105, 1729, 1891, 2465, 2701, 2821, 2926, 3367, 5551, 6601, 8646, 8695, 8911, 10585, 11305, 12403, 13981, 15051, 15841, 16471, 18721, 23001, 26335, 29341, 30889, 38503, 39865, 41041, 46657, 49141, 52633, 53131, 62745, 63973, 68101, 75361, 76627, 76798, 79003, 88561, 88831, 91001]

cp's OEIS Frontend

A318555 "Strong impostors" not divisible by 4: Those numbers s !== 0 (mod 4) such that lambda(s) | 2(s-1), where lambda is the Carmichael function (A002322).

Table of values

List of values