A376484 - cp's OEIS frontend

A376484 Array read by ascending antidiagonals: A(n,k)=4^kSum_{j=1..n} sin(2j*Pi/(2n+1))^(2k).

n	a(n)
0	0
1	1
2	0
3	2
4	3
5	0
6	3
7	5
8	9
9	0
10	4
11	7
12	15
13	27
14	0
15	5
16	9
17	21
18	50
19	81
20	0
21	6
22	11
23	27
24	70
25	175
26	243
27	0
28	7
29	13
30	33
31	90
32	245
33	625
34	729
35	0
36	8
37	15
38	39
39	110
40	315
41	882
42	2250
43	2187
44	0
45	9
46	17
47	45
48	130
49	385
50	1134
51	3234
52	8125
53	6561
54	0
55	10
56	19
57	51
58	150
59	455
60	1386
61	4158
62	12005
63	29375
64	19683
65	0

[0, 1, 0, 2, 3, 0, 3, 5, 9, 0, 4, 7, 15, 27, 0, 5, 9, 21, 50, 81, 0, 6, 11, 27, 70, 175, 243, 0, 7, 13, 33, 90, 245, 625, 729, 0, 8, 15, 39, 110, 315, 882, 2250, 2187, 0, 9, 17, 45, 130, 385, 1134, 3234, 8125, 6561, 0, 10, 19, 51, 150, 455, 1386, 4158, 12005, 29375, 19683, 0]

cp's OEIS Frontend

A376484 Array read by ascending antidiagonals: A(n,k)=4^kSum_{j=1..n} sin(2j*Pi/(2n+1))^(2k).

Table of values

List of values

cp's OEIS Frontend

A376484 Array read by ascending antidiagonals: A(n,k)=4^k*Sum_{j=1..n} sin(2*j*Pi/(2*n+1))^(2*k).

Table of values

List of values

A376484 Array read by ascending antidiagonals: A(n,k)=4^kSum_{j=1..n} sin(2j*Pi/(2n+1))^(2k).