A140427 - OEIS

A140427 as a simple table

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

[0,0,0,0,1,1,2,3,4,4,4,4,5,5,6,7,8,8,8,8,9,9,10, 11,12,12,12,12,13,13,14,15,16,16,16,16,17,17,18, 19,20,20,20,20,21,21,22,23,24,24,24,24,25,25,26, 27,28,28,28,28,29,29,30]

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

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

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