A286096 - cp's OEIS frontend

A286096 Triangle read by rows giving numerators of the Fourier expansion of cos^n(x).

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	3
8	0
9	1
10	3
11	0
12	4
13	0
14	1
15	0
16	10
17	0
18	5
19	0
20	1
21	10
22	0
23	15
24	0
25	6
26	0
27	1
28	0
29	35
30	0
31	21
32	0
33	7
34	0
35	1
36	35
37	0
38	56
39	0
40	28
41	0
42	8
43	0
44	1
45	0
46	126
47	0
48	84
49	0
50	36
51	0
52	9
53	0
54	1
55	126
56	0
57	210
58	0
59	120
60	0
61	45
62	0
63	10
64	0
65	1
66	0
67	462
68	0
69	330
70	0
71	165
72	0
73	55
74	0
75	11
76	0
77	1
78	462
79	0
80	792
81	0
82	495
83	0
84	220
85	0
86	66
87	0
88	12
89	0
90	1

[1, 0, 1, 1, 0, 1, 0, 3, 0, 1, 3, 0, 4, 0, 1, 0, 10, 0, 5, 0, 1, 10, 0, 15, 0, 6, 0, 1, 0, 35, 0, 21, 0, 7, 0, 1, 35, 0, 56, 0, 28, 0, 8, 0, 1, 0, 126, 0, 84, 0, 36, 0, 9, 0, 1, 126, 0, 210, 0, 120, 0, 45, 0, 10, 0, 1, 0, 462, 0, 330, 0, 165, 0, 55, 0, 11, 0, 1, 462, 0, 792, 0, 495, 0, 220, 0, 66, 0, 12, 0, 1]

cp's OEIS Frontend

A286096 Triangle read by rows giving numerators of the Fourier expansion of cos^n(x).

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	3
8	0
9	1
10	3
11	0
12	4
13	0
14	1
15	0
16	10
17	0
18	5
19	0
20	1
21	10
22	0
23	15
24	0
25	6
26	0
27	1
28	0
29	35
30	0
31	21
32	0
33	7
34	0
35	1
36	35
37	0
38	56
39	0
40	28
41	0
42	8
43	0
44	1
45	0
46	126
47	0
48	84
49	0
50	36
51	0
52	9
53	0
54	1
55	126
56	0
57	210
58	0
59	120
60	0
61	45
62	0
63	10
64	0
65	1
66	0
67	462
68	0
69	330
70	0
71	165
72	0
73	55
74	0
75	11
76	0
77	1
78	462
79	0
80	792
81	0
82	495
83	0
84	220
85	0
86	66
87	0
88	12
89	0
90	1

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	3
8	0
9	1
10	3
11	0
12	4
13	0
14	1
15	0
16	10
17	0
18	5
19	0
20	1
21	10
22	0
23	15
24	0
25	6
26	0
27	1
28	0
29	35
30	0
31	21
32	0
33	7
34	0
35	1
36	35
37	0
38	56
39	0
40	28
41	0
42	8
43	0
44	1
45	0
46	126
47	0
48	84
49	0
50	36
51	0
52	9
53	0
54	1
55	126
56	0
57	210
58	0
59	120
60	0
61	45
62	0
63	10
64	0
65	1
66	0
67	462
68	0
69	330
70	0
71	165
72	0
73	55
74	0
75	11
76	0
77	1
78	462
79	0
80	792
81	0
82	495
83	0
84	220
85	0
86	66
87	0
88	12
89	0
90	1

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	3
8	0
9	1
10	3
11	0
12	4
13	0
14	1
15	0
16	10
17	0
18	5
19	0
20	1
21	10
22	0
23	15
24	0
25	6
26	0
27	1
28	0
29	35
30	0
31	21
32	0
33	7
34	0
35	1
36	35
37	0
38	56
39	0
40	28
41	0
42	8
43	0
44	1
45	0
46	126
47	0
48	84
49	0
50	36
51	0
52	9
53	0
54	1
55	126
56	0
57	210
58	0
59	120
60	0
61	45
62	0
63	10
64	0
65	1
66	0
67	462
68	0
69	330
70	0
71	165
72	0
73	55
74	0
75	11
76	0
77	1
78	462
79	0
80	792
81	0
82	495
83	0
84	220
85	0
86	66
87	0
88	12
89	0
90	1