A285727 - cp's OEIS frontend

A285727 a(1) = a(2) = 0, and for n > 2, a(n) = A252463(A252463(n)).

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

[0, 0, 1, 1, 2, 2, 3, 2, 2, 3, 5, 3, 7, 5, 3, 4, 11, 4, 13, 5, 5, 7, 17, 6, 4, 11, 4, 7, 19, 6, 23, 8, 7, 13, 6, 9, 29, 17, 11, 10, 31, 10, 37, 11, 6, 19, 41, 12, 9, 9, 13, 13, 43, 8, 10, 14, 17, 23, 47, 15, 53, 29, 10, 16, 14, 14, 59, 17, 19, 15, 61, 18, 67, 31, 9, 19, 15, 22, 71, 20, 8, 37, 73, 21, 22, 41, 23, 22, 79, 12, 21, 23, 29, 43, 26, 24, 83, 25, 14]

cp's OEIS Frontend

A285727 a(1) = a(2) = 0, and for n > 2, a(n) = A252463(A252463(n)).

Table of values

List of values

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

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

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