A198321 - OEIS

A198321 as a simple table

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	3
9	3
10	0
11	1
12	4
13	6
14	4
15	0
16	1
17	5
18	10
19	10
20	5
21	0
22	1
23	6
24	15
25	20
26	15
27	6
28	0
29	1
30	7
31	21
32	35
33	35
34	21
35	7
36	0
37	1
38	8
39	28
40	56
41	70
42	56
43	28
44	8
45	0
46	1
47	9
48	36
49	84
50	126
51	126
52	84
53	36
54	9
55	0
56	1
57	10
58	45
59	120
60	210
61	252
62	210
63	120
64	45
65	10
66	0
67	1
68	11
69	55
70	165
71	330

[1,0,1,0,1,2,0,1,3,3,0,1,4,6,4,0,1,5,10,10,5,0,1, 6,15,20,15,6,0,1,7,21,35,35,21,7,0,1,8,28,56,70, 56,28,8,0,1,9,36,84,126,126,84,36,9,0,1,10,45,120, 210,252,210,120,45,10,0,1,11,55,165,330]

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	3
9	3
10	0
11	1
12	4
13	6
14	4
15	0
16	1
17	5
18	10
19	10
20	5
21	0
22	1
23	6
24	15
25	20
26	15
27	6
28	0
29	1
30	7
31	21
32	35
33	35
34	21
35	7
36	0
37	1
38	8
39	28
40	56
41	70
42	56
43	28
44	8
45	0
46	1
47	9
48	36
49	84
50	126
51	126
52	84
53	36
54	9
55	0
56	1
57	10
58	45
59	120
60	210
61	252
62	210
63	120
64	45
65	10
66	0
67	1
68	11
69	55
70	165
71	330

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	3
9	3
10	0
11	1
12	4
13	6
14	4
15	0
16	1
17	5
18	10
19	10
20	5
21	0
22	1
23	6
24	15
25	20
26	15
27	6
28	0
29	1
30	7
31	21
32	35
33	35
34	21
35	7
36	0
37	1
38	8
39	28
40	56
41	70
42	56
43	28
44	8
45	0
46	1
47	9
48	36
49	84
50	126
51	126
52	84
53	36
54	9
55	0
56	1
57	10
58	45
59	120
60	210
61	252
62	210
63	120
64	45
65	10
66	0
67	1
68	11
69	55
70	165
71	330

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	3
9	3
10	0
11	1
12	4
13	6
14	4
15	0
16	1
17	5
18	10
19	10
20	5
21	0
22	1
23	6
24	15
25	20
26	15
27	6
28	0
29	1
30	7
31	21
32	35
33	35
34	21
35	7
36	0
37	1
38	8
39	28
40	56
41	70
42	56
43	28
44	8
45	0
46	1
47	9
48	36
49	84
50	126
51	126
52	84
53	36
54	9
55	0
56	1
57	10
58	45
59	120
60	210
61	252
62	210
63	120
64	45
65	10
66	0
67	1
68	11
69	55
70	165
71	330