A075424 - cp's OEIS frontend

A075424 a(n) = A075423(A075423(n)).

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

[0, 1, 0, 1, 4, 5, 0, 1, 2, 9, 4, 5, 12, 13, 0, 1, 4, 5, 2, 9, 20, 21, 4, 1, 4, 1, 12, 13, 28, 29, 0, 1, 32, 33, 4, 5, 36, 37, 2, 9, 40, 41, 20, 13, 14, 45, 4, 5, 2, 9, 4, 25, 4, 5, 12, 13, 56, 57, 28, 29, 60, 9, 0, 1, 64, 65, 32, 33, 68, 69, 4, 5, 72, 13, 36, 37, 76, 77, 2, 1, 2, 81, 40, 41]

cp's OEIS Frontend

A075424 a(n) = A075423(A075423(n)).

Table of values

List of values

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

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

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