A321414 - cp's OEIS frontend

A321414 Array read by antidiagonals: T(n,k) is the number of n element multisets of the 2k-th roots of unity with zero sum.

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	0
7	0
8	3
9	0
10	1
11	0
12	4
13	2
14	3
15	0
16	0
17	5
18	0
19	6
20	0
21	1
22	0
23	6
24	0
25	10
26	6
27	4
28	0
29	0
30	7
31	4
32	15
33	0
34	12
35	0
36	1
37	0
38	8
39	0
40	21
41	2
42	20
43	12
44	5
45	0
46	0
47	9
48	0
49	28
50	24
51	35
52	0
53	21
54	0
55	1
56	0
57	10
58	6
59	36
60	0
61	64
62	10
63	35
64	22
65	6
66	0
67	0
68	11
69	0
70	45
71	0
72	84
73	84
74	70
75	0
76	33
77	0
78	1

[0, 0, 1, 0, 2, 0, 0, 3, 0, 1, 0, 4, 2, 3, 0, 0, 5, 0, 6, 0, 1, 0, 6, 0, 10, 6, 4, 0, 0, 7, 4, 15, 0, 12, 0, 1, 0, 8, 0, 21, 2, 20, 12, 5, 0, 0, 9, 0, 28, 24, 35, 0, 21, 0, 1, 0, 10, 6, 36, 0, 64, 10, 35, 22, 6, 0, 0, 11, 0, 45, 0, 84, 84, 70, 0, 33, 0, 1]

cp's OEIS Frontend

A321414 Array read by antidiagonals: T(n,k) is the number of n element multisets of the 2k-th roots of unity with zero sum.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	0
7	0
8	3
9	0
10	1
11	0
12	4
13	2
14	3
15	0
16	0
17	5
18	0
19	6
20	0
21	1
22	0
23	6
24	0
25	10
26	6
27	4
28	0
29	0
30	7
31	4
32	15
33	0
34	12
35	0
36	1
37	0
38	8
39	0
40	21
41	2
42	20
43	12
44	5
45	0
46	0
47	9
48	0
49	28
50	24
51	35
52	0
53	21
54	0
55	1
56	0
57	10
58	6
59	36
60	0
61	64
62	10
63	35
64	22
65	6
66	0
67	0
68	11
69	0
70	45
71	0
72	84
73	84
74	70
75	0
76	33
77	0
78	1

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	0
7	0
8	3
9	0
10	1
11	0
12	4
13	2
14	3
15	0
16	0
17	5
18	0
19	6
20	0
21	1
22	0
23	6
24	0
25	10
26	6
27	4
28	0
29	0
30	7
31	4
32	15
33	0
34	12
35	0
36	1
37	0
38	8
39	0
40	21
41	2
42	20
43	12
44	5
45	0
46	0
47	9
48	0
49	28
50	24
51	35
52	0
53	21
54	0
55	1
56	0
57	10
58	6
59	36
60	0
61	64
62	10
63	35
64	22
65	6
66	0
67	0
68	11
69	0
70	45
71	0
72	84
73	84
74	70
75	0
76	33
77	0
78	1

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	0
7	0
8	3
9	0
10	1
11	0
12	4
13	2
14	3
15	0
16	0
17	5
18	0
19	6
20	0
21	1
22	0
23	6
24	0
25	10
26	6
27	4
28	0
29	0
30	7
31	4
32	15
33	0
34	12
35	0
36	1
37	0
38	8
39	0
40	21
41	2
42	20
43	12
44	5
45	0
46	0
47	9
48	0
49	28
50	24
51	35
52	0
53	21
54	0
55	1
56	0
57	10
58	6
59	36
60	0
61	64
62	10
63	35
64	22
65	6
66	0
67	0
68	11
69	0
70	45
71	0
72	84
73	84
74	70
75	0
76	33
77	0
78	1