A337760 - cp's OEIS frontend

A337760 Irregular triangle where T(n,k) are the coefficients of expansion 2^(n-1) Product_{k=1..n} sin(kt) = Sum_{k=1..n(n+1)/2} T(n,k)cos(kt) for even n and 2^(n-1) Product_{k=1..n} sin(kt) = Sum_{k=1..n(n+1)/2} T(n,k)sin(kt) for odd n.

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

[0, 1, 0, 1, 0, -1, 0, 0, 1, 0, 1, 0, -1, 1, 0, 0, 0, 0, 0, -1, 0, -1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, -1, 0, -1, 0, 1, 0, 1, 0, 1, 0, 0, 0, -2, 0, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1, 0, -1, 0, 0, 0, 0, 2, 0, 1, 0, 1, 0, 0, 0, -1, 0, -1, 0, 0, 0, -1, 0, 0]

cp's OEIS Frontend

A337760 Irregular triangle where T(n,k) are the coefficients of expansion 2^(n-1) Product_{k=1..n} sin(kt) = Sum_{k=1..n(n+1)/2} T(n,k)cos(kt) for even n and 2^(n-1) Product_{k=1..n} sin(kt) = Sum_{k=1..n(n+1)/2} T(n,k)sin(kt) for odd n.

Table of values

List of values

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

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

cp's OEIS Frontend

A337760 Irregular triangle where T(n,k) are the coefficients of expansion 2^(n-1) Product_{k=1..n} sin(k*t) = Sum_{k=1..n*(n+1)/2} T(n,k)*cos(k*t) for even n and 2^(n-1) Product_{k=1..n} sin(k*t) = Sum_{k=1..n*(n+1)/2} T(n,k)*sin(k*t) for odd n.

Table of values

List of values

A337760 Irregular triangle where T(n,k) are the coefficients of expansion 2^(n-1) Product_{k=1..n} sin(kt) = Sum_{k=1..n(n+1)/2} T(n,k)cos(kt) for even n and 2^(n-1) Product_{k=1..n} sin(kt) = Sum_{k=1..n(n+1)/2} T(n,k)sin(kt) for odd n.

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