A321713 - cp's OEIS frontend

A321713 a(n) is the number of values k satisfying lambda(k)=n or zero if there is no solution, where lambda(k) is Carmichael's lambda function.

n	a(n)
1	2
2	6
3	0
4	12
5	0
6	16
7	0
8	4
9	0
10	8
11	0
12	84
13	0
14	0
15	0
16	32
17	0
18	40
19	0
20	32
21	0
22	8
23	0
24	20
25	0
26	0
27	0
28	20
29	0
30	64
31	0
32	8
33	0
34	0
35	0
36	480
37	0
38	0
39	0
40	80
41	0
42	48
43	0
44	12
45	0
46	8
47	0
48	160
49	0
50	0
51	0
52	20
53	0
54	16
55	0
56	4
57	0
58	8
59	0
60	1216
61	0
62	0
63	0
64	8
65	0
66	64
67	0
68	0
69	0
70	16
71	0
72	872
73	0
74	0
75	0
76	0
77	0
78	24
79	0
80	160
81	0
82	8
83	0
84	532
85	0
86	0
87	0
88	52
89	0
90	120
91	0
92	12
93	0
94	0
95	0
96	424
97	0
98	0
99	0
100	100

[2, 6, 0, 12, 0, 16, 0, 4, 0, 8, 0, 84, 0, 0, 0, 32, 0, 40, 0, 32, 0, 8, 0, 20, 0, 0, 0, 20, 0, 64, 0, 8, 0, 0, 0, 480, 0, 0, 0, 80, 0, 48, 0, 12, 0, 8, 0, 160, 0, 0, 0, 20, 0, 16, 0, 4, 0, 8, 0, 1216, 0, 0, 0, 8, 0, 64, 0, 0, 0, 16, 0, 872, 0, 0, 0, 0, 0, 24, 0, 160, 0, 8, 0, 532, 0, 0, 0, 52, 0, 120, 0, 12, 0, 0, 0, 424, 0, 0, 0, 100]

cp's OEIS Frontend

A321713 a(n) is the number of values k satisfying lambda(k)=n or zero if there is no solution, where lambda(k) is Carmichael's lambda function.

Table of values

List of values