A053470 - cp's OEIS frontend

A053470 a(n) is the cototient of n (A051953) iterated twice.

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

[0, 0, 0, 1, 0, 2, 0, 2, 1, 4, 0, 4, 0, 4, 1, 4, 0, 8, 0, 8, 3, 8, 0, 8, 1, 8, 3, 8, 0, 12, 0, 8, 1, 12, 1, 16, 0, 12, 7, 16, 0, 22, 0, 16, 9, 16, 0, 16, 1, 22, 1, 16, 0, 24, 7, 16, 9, 22, 0, 24, 0, 16, 9, 16, 1, 24, 0, 24, 5, 24, 0, 32, 0, 20, 11, 24, 1, 36, 0, 32, 9, 30, 0, 44, 9, 24, 1, 32, 0]

cp's OEIS Frontend

A053470 a(n) is the cototient of n (A051953) iterated twice.

Table of values

List of values

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

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

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