A046667 - cp's OEIS frontend

A046667 a(n) = A046666(n)/2.

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

[0, 0, 1, 0, 2, 0, 3, 3, 4, 0, 5, 0, 6, 6, 7, 0, 8, 0, 9, 9, 10, 0, 11, 10, 12, 12, 13, 0, 14, 0, 15, 15, 16, 15, 17, 0, 18, 18, 19, 0, 20, 0, 21, 21, 22, 0, 23, 21, 24, 24, 25, 0, 26, 25, 27, 27, 28, 0, 29, 0, 30, 30, 31, 30, 32, 0, 33, 33, 34, 0, 35, 0, 36, 36]

cp's OEIS Frontend

A046667 a(n) = A046666(n)/2.

Table of values

List of values

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

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

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