A034156 - OEIS

A034156 as a simple table

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

[0,0,0,0,0,0,1,1,2,3,4,5,7,8,10,12,14,15,17,17,18, 18,18,17,17,15,14,12,10,8,7,5,4,3,2,1,1,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0]

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

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

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