A285902 - OEIS

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A285902 as a simple table

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

[0,0,1,1,2,2,3,3,4,5,6,6,7,8,9,9,10,11,12,12,14, 15,16,16,17,18,20,20,21,22,23,23,25,26,27,28,29, 30,32,32,33,34,35,36,38,39,40,40,41,42,44,45,46, 47,49,49,51,52,53,54,55,56,58,58,60,61,62,63,65, 66,67,67,68,69,72,73,74,76,77,77,79,80,81,82]

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

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

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