A147795 - OEIS

A147795 as a simple table

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	6
9	6
10	7
11	7
12	8
13	8
14	9
15	9
16	12
17	12
18	13
19	13
20	14
21	14
22	15
23	15
24	18
25	18
26	19
27	19
28	20
29	20
30	21
31	21
32	28
33	28
34	29
35	29
36	30
37	30
38	31
39	31
40	34
41	34
42	35
43	35
44	36
45	36
46	37
47	37
48	40
49	40
50	41
51	41
52	42
53	42
54	43
55	43
56	46
57	46
58	47
59	47
60	48
61	48
62	49
63	49

[0,0,1,1,2,2,3,3,6,6,7,7,8,8,9,9,12,12,13,13,14, 14,15,15,18,18,19,19,20,20,21,21,28,28,29,29,30, 30,31,31,34,34,35,35,36,36,37,37,40,40,41,41,42, 42,43,43,46,46,47,47,48,48,49,49]

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	6
9	6
10	7
11	7
12	8
13	8
14	9
15	9
16	12
17	12
18	13
19	13
20	14
21	14
22	15
23	15
24	18
25	18
26	19
27	19
28	20
29	20
30	21
31	21
32	28
33	28
34	29
35	29
36	30
37	30
38	31
39	31
40	34
41	34
42	35
43	35
44	36
45	36
46	37
47	37
48	40
49	40
50	41
51	41
52	42
53	42
54	43
55	43
56	46
57	46
58	47
59	47
60	48
61	48
62	49
63	49

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	6
9	6
10	7
11	7
12	8
13	8
14	9
15	9
16	12
17	12
18	13
19	13
20	14
21	14
22	15
23	15
24	18
25	18
26	19
27	19
28	20
29	20
30	21
31	21
32	28
33	28
34	29
35	29
36	30
37	30
38	31
39	31
40	34
41	34
42	35
43	35
44	36
45	36
46	37
47	37
48	40
49	40
50	41
51	41
52	42
53	42
54	43
55	43
56	46
57	46
58	47
59	47
60	48
61	48
62	49
63	49

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	6
9	6
10	7
11	7
12	8
13	8
14	9
15	9
16	12
17	12
18	13
19	13
20	14
21	14
22	15
23	15
24	18
25	18
26	19
27	19
28	20
29	20
30	21
31	21
32	28
33	28
34	29
35	29
36	30
37	30
38	31
39	31
40	34
41	34
42	35
43	35
44	36
45	36
46	37
47	37
48	40
49	40
50	41
51	41
52	42
53	42
54	43
55	43
56	46
57	46
58	47
59	47
60	48
61	48
62	49
63	49