A186421 - OEIS

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A186421 as a simple table

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

[0,1,2,1,4,3,6,3,8,5,10,5,12,7,14,7,16,9,18,9,20, 11,22,11,24,13,26,13,28,15,30,15,32,17,34,17,36, 19,38,19,40,21,42,21,44,23,46,23,48,25,50,25,52, 27,54,27,56,29,58,29,60,31,62,31,64,33,66,33,68, 35,70,35,72,37,74,37,76,39,78,39,80,41,82,41,84, 43,86,43]

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

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

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