A080570 - OEIS

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A080570 as a simple table

n	a(n)
1	1
2	0
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	4
11	6
12	6
13	8
14	8
15	11
16	12
17	13
18	15
19	14
20	17
21	18
22	19
23	20
24	21
25	23
26	23
27	24
28	26
29	28
30	32
31	31
32	32
33	35
34	36
35	37
36	43
37	43
38	44
39	44
40	45
41	47
42	50
43	51
44	53
45	53
46	56
47	56
48	57
49	57
50	61
51	62
52	62
53	65
54	68
55	73
56	76
57	77
58	78
59	83
60	83
61	84
62	84
63	87
64	88
65	90
66	92
67	94
68	94
69	97
70	98
71	98
72	101
73	101

[1,0,1,2,2,2,3,3,4,4,6,6,8,8,11,12,13,15,14,17,18, 19,20,21,23,23,24,26,28,32,31,32,35,36,37,43,43, 44,44,45,47,50,51,53,53,56,56,57,57,61,62,62,65, 68,73,76,77,78,83,83,84,84,87,88,90,92,94,94,97, 98,98,101,101]

n	a(n)
1	1
2	0
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	4
11	6
12	6
13	8
14	8
15	11
16	12
17	13
18	15
19	14
20	17
21	18
22	19
23	20
24	21
25	23
26	23
27	24
28	26
29	28
30	32
31	31
32	32
33	35
34	36
35	37
36	43
37	43
38	44
39	44
40	45
41	47
42	50
43	51
44	53
45	53
46	56
47	56
48	57
49	57
50	61
51	62
52	62
53	65
54	68
55	73
56	76
57	77
58	78
59	83
60	83
61	84
62	84
63	87
64	88
65	90
66	92
67	94
68	94
69	97
70	98
71	98
72	101
73	101

n	a(n)
1	1
2	0
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	4
11	6
12	6
13	8
14	8
15	11
16	12
17	13
18	15
19	14
20	17
21	18
22	19
23	20
24	21
25	23
26	23
27	24
28	26
29	28
30	32
31	31
32	32
33	35
34	36
35	37
36	43
37	43
38	44
39	44
40	45
41	47
42	50
43	51
44	53
45	53
46	56
47	56
48	57
49	57
50	61
51	62
52	62
53	65
54	68
55	73
56	76
57	77
58	78
59	83
60	83
61	84
62	84
63	87
64	88
65	90
66	92
67	94
68	94
69	97
70	98
71	98
72	101
73	101

n	a(n)
1	1
2	0
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	4
11	6
12	6
13	8
14	8
15	11
16	12
17	13
18	15
19	14
20	17
21	18
22	19
23	20
24	21
25	23
26	23
27	24
28	26
29	28
30	32
31	31
32	32
33	35
34	36
35	37
36	43
37	43
38	44
39	44
40	45
41	47
42	50
43	51
44	53
45	53
46	56
47	56
48	57
49	57
50	61
51	62
52	62
53	65
54	68
55	73
56	76
57	77
58	78
59	83
60	83
61	84
62	84
63	87
64	88
65	90
66	92
67	94
68	94
69	97
70	98
71	98
72	101
73	101