A144859 - cp's OEIS frontend

A144859 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 v_n(x), used to approximate x->sin(Pi*x)/Pi.

n	a(n)
0	0
1	1
2	-1
3	1
4	-10
5	3
6	1
7	-140
8	21
9	-10
10	1
11	-3360
12	1638
13	-360
14	35
15	1
16	-25872
17	63756
18	-2970
19	385
20	-126
21	1
22	-7303296
23	720720
24	-845988
25	23023
26	-9828
27	462
28	1
29	-80995200
30	39969072
31	-65739960
32	1286285
33	-114660
34	6930
35	-1716
36	1
37	-57839907840

[0, 1, -1, 1, -10, 3, 1, -140, 21, -10, 1, -3360, 1638, -360, 35, 1, -25872, 63756, -2970, 385, -126, 1, -7303296, 720720, -845988, 23023, -9828, 462, 1, -80995200, 39969072, -65739960, 1286285, -114660, 6930, -1716, 1, -57839907840]

cp's OEIS Frontend

A144859 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 v_n(x), used to approximate x->sin(Pi*x)/Pi.

Table of values

List of values