A291309 - OEIS

A291309 as a simple table

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

[0,0,1,1,0,2,2,2,2,3,3,3,4,3,4,4,4,5,5,6,6,6,6,6, 6,6,8,7,6,8,8,9,8,10,9,9,10,9,10,10,12,11,12,11, 12,12,12,14,12,12,13,13,12,15,16,15,14,15,15,15, 16,18,16,16,18,17,17,18,20]

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

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

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