A376498 - cp's OEIS frontend

A376498 Array read by ascending antidiagonals: A(n, k) = 2^kSum_{j=1..n} cos((2j - 1)Pi/(2n + 1))^k.

n	a(n)
0	0
1	1
2	0
3	2
4	1
5	0
6	3
7	1
8	1
9	0
10	4
11	1
12	3
13	1
14	0
15	5
16	1
17	5
18	4
19	1
20	0
21	6
22	1
23	7
24	4
25	7
26	1
27	0
28	7
29	1
30	9
31	4
32	13
33	11
34	1
35	0
36	8
37	1
38	11
39	4
40	19
41	16
42	18
43	1
44	0
45	9
46	1
47	13
48	4
49	25
50	16
51	38
52	29
53	1
54	0
55	10
56	1
57	15
58	4
59	31
60	16
61	58
62	57
63	47
64	1
65	0
66	11
67	1
68	17
69	4
70	37
71	16
72	78
73	64
74	117
75	76
76	1
77	0

[0, 1, 0, 2, 1, 0, 3, 1, 1, 0, 4, 1, 3, 1, 0, 5, 1, 5, 4, 1, 0, 6, 1, 7, 4, 7, 1, 0, 7, 1, 9, 4, 13, 11, 1, 0, 8, 1, 11, 4, 19, 16, 18, 1, 0, 9, 1, 13, 4, 25, 16, 38, 29, 1, 0, 10, 1, 15, 4, 31, 16, 58, 57, 47, 1, 0, 11, 1, 17, 4, 37, 16, 78, 64, 117, 76, 1, 0]

cp's OEIS Frontend

A376498 Array read by ascending antidiagonals: A(n, k) = 2^kSum_{j=1..n} cos((2j - 1)Pi/(2n + 1))^k.

Table of values

List of values

n	a(n)
0	0
1	1
2	0
3	2
4	1
5	0
6	3
7	1
8	1
9	0
10	4
11	1
12	3
13	1
14	0
15	5
16	1
17	5
18	4
19	1
20	0
21	6
22	1
23	7
24	4
25	7
26	1
27	0
28	7
29	1
30	9
31	4
32	13
33	11
34	1
35	0
36	8
37	1
38	11
39	4
40	19
41	16
42	18
43	1
44	0
45	9
46	1
47	13
48	4
49	25
50	16
51	38
52	29
53	1
54	0
55	10
56	1
57	15
58	4
59	31
60	16
61	58
62	57
63	47
64	1
65	0
66	11
67	1
68	17
69	4
70	37
71	16
72	78
73	64
74	117
75	76
76	1
77	0

n	a(n)
0	0
1	1
2	0
3	2
4	1
5	0
6	3
7	1
8	1
9	0
10	4
11	1
12	3
13	1
14	0
15	5
16	1
17	5
18	4
19	1
20	0
21	6
22	1
23	7
24	4
25	7
26	1
27	0
28	7
29	1
30	9
31	4
32	13
33	11
34	1
35	0
36	8
37	1
38	11
39	4
40	19
41	16
42	18
43	1
44	0
45	9
46	1
47	13
48	4
49	25
50	16
51	38
52	29
53	1
54	0
55	10
56	1
57	15
58	4
59	31
60	16
61	58
62	57
63	47
64	1
65	0
66	11
67	1
68	17
69	4
70	37
71	16
72	78
73	64
74	117
75	76
76	1
77	0

cp's OEIS Frontend

A376498 Array read by ascending antidiagonals: A(n, k) = 2^k*Sum_{j=1..n} cos((2*j - 1)*Pi/(2*n + 1))^k.

Table of values

List of values

A376498 Array read by ascending antidiagonals: A(n, k) = 2^kSum_{j=1..n} cos((2j - 1)Pi/(2n + 1))^k.

n	a(n)
0	0
1	1
2	0
3	2
4	1
5	0
6	3
7	1
8	1
9	0
10	4
11	1
12	3
13	1
14	0
15	5
16	1
17	5
18	4
19	1
20	0
21	6
22	1
23	7
24	4
25	7
26	1
27	0
28	7
29	1
30	9
31	4
32	13
33	11
34	1
35	0
36	8
37	1
38	11
39	4
40	19
41	16
42	18
43	1
44	0
45	9
46	1
47	13
48	4
49	25
50	16
51	38
52	29
53	1
54	0
55	10
56	1
57	15
58	4
59	31
60	16
61	58
62	57
63	47
64	1
65	0
66	11
67	1
68	17
69	4
70	37
71	16
72	78
73	64
74	117
75	76
76	1
77	0