A299807 - cp's OEIS frontend

A299807 Rectangular array read by antidiagonals: T(n,k) is the number of distinct sums of k complex n-th roots of 1, n >= 1, k >= 0.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	6
14	4
15	1
16	1
17	5
18	9
19	10
20	5
21	1
22	1
23	6
24	15
25	16
26	15
27	6
28	1
29	1
30	7
31	19
32	35
33	25
34	21
35	7
36	1
37	1
38	8
39	28
40	37
41	70
42	36
43	28
44	8
45	1
46	1
47	9
48	33
49	84
50	61
51	126
52	49
53	36
54	9
55	1
56	1
57	10
58	45
59	96
60	210
61	91
62	210
63	64
64	45
65	10
66	1
67	1
68	11
69	51
70	163
71	225
72	462
73	127
74	330
75	81
76	55
77	11
78	1
79	1
80	12
81	66
82	180
83	477
84	456
85	924
86	169
87	495
88	100
89	66

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 5, 9, 10, 5, 1, 1, 6, 15, 16, 15, 6, 1, 1, 7, 19, 35, 25, 21, 7, 1, 1, 8, 28, 37, 70, 36, 28, 8, 1, 1, 9, 33, 84, 61, 126, 49, 36, 9, 1, 1, 10, 45, 96, 210, 91, 210, 64, 45, 10, 1, 1, 11, 51, 163, 225, 462, 127, 330, 81, 55, 11, 1, 1, 12, 66, 180, 477, 456, 924, 169, 495, 100, 66]

cp's OEIS Frontend

A299807 Rectangular array read by antidiagonals: T(n,k) is the number of distinct sums of k complex n-th roots of 1, n >= 1, k >= 0.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	6
14	4
15	1
16	1
17	5
18	9
19	10
20	5
21	1
22	1
23	6
24	15
25	16
26	15
27	6
28	1
29	1
30	7
31	19
32	35
33	25
34	21
35	7
36	1
37	1
38	8
39	28
40	37
41	70
42	36
43	28
44	8
45	1
46	1
47	9
48	33
49	84
50	61
51	126
52	49
53	36
54	9
55	1
56	1
57	10
58	45
59	96
60	210
61	91
62	210
63	64
64	45
65	10
66	1
67	1
68	11
69	51
70	163
71	225
72	462
73	127
74	330
75	81
76	55
77	11
78	1
79	1
80	12
81	66
82	180
83	477
84	456
85	924
86	169
87	495
88	100
89	66

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	6
14	4
15	1
16	1
17	5
18	9
19	10
20	5
21	1
22	1
23	6
24	15
25	16
26	15
27	6
28	1
29	1
30	7
31	19
32	35
33	25
34	21
35	7
36	1
37	1
38	8
39	28
40	37
41	70
42	36
43	28
44	8
45	1
46	1
47	9
48	33
49	84
50	61
51	126
52	49
53	36
54	9
55	1
56	1
57	10
58	45
59	96
60	210
61	91
62	210
63	64
64	45
65	10
66	1
67	1
68	11
69	51
70	163
71	225
72	462
73	127
74	330
75	81
76	55
77	11
78	1
79	1
80	12
81	66
82	180
83	477
84	456
85	924
86	169
87	495
88	100
89	66

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	6
14	4
15	1
16	1
17	5
18	9
19	10
20	5
21	1
22	1
23	6
24	15
25	16
26	15
27	6
28	1
29	1
30	7
31	19
32	35
33	25
34	21
35	7
36	1
37	1
38	8
39	28
40	37
41	70
42	36
43	28
44	8
45	1
46	1
47	9
48	33
49	84
50	61
51	126
52	49
53	36
54	9
55	1
56	1
57	10
58	45
59	96
60	210
61	91
62	210
63	64
64	45
65	10
66	1
67	1
68	11
69	51
70	163
71	225
72	462
73	127
74	330
75	81
76	55
77	11
78	1
79	1
80	12
81	66
82	180
83	477
84	456
85	924
86	169
87	495
88	100
89	66