A144846 - cp's OEIS frontend

A144846 Numerators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial u_n(x), used to approximate x->sin(Pi*x)/Pi.

n	a(n)
0	0
1	1
2	-1
3	7
4	-5
5	3
6	87
7	-35
8	63
9	-5
10	2047
11	-105
12	819
13	-45
14	35
15	78655
16	-8085
17	15939
18	-7425
19	1925
20	-63
21	4439935
22	-57057
23	225225
24	-211497
25	115115
26	-2457
27	231
28	344674687
29	-4429425
30	17486469
31	-8217495
32	9003995
33	-200655
34	24255
35	-429

[0, 1, -1, 7, -5, 3, 87, -35, 63, -5, 2047, -105, 819, -45, 35, 78655, -8085, 15939, -7425, 1925, -63, 4439935, -57057, 225225, -211497, 115115, -2457, 231, 344674687, -4429425, 17486469, -8217495, 9003995, -200655, 24255, -429]

cp's OEIS Frontend

A144846 Numerators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial u_n(x), used to approximate x->sin(Pi*x)/Pi.

Table of values

List of values