A144860 - cp's OEIS frontend

A144860 Denominators 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	1
1	1
2	1
3	1
4	7
5	7
6	1
7	87
8	29
9	87
10	1
11	2047
12	2047
13	2047
14	2047
15	1
16	15731
17	78655
18	15731
19	15731
20	78655
21	1
22	4439935
23	887987
24	4439935
25	887987
26	4439935
27	4439935
28	1
29	49239241
30	49239241
31	344674687
32	49239241
33	49239241
34	49239241
35	344674687
36	1
37	35162451967

[1, 1, 1, 1, 7, 7, 1, 87, 29, 87, 1, 2047, 2047, 2047, 2047, 1, 15731, 78655, 15731, 15731, 78655, 1, 4439935, 887987, 4439935, 887987, 4439935, 4439935, 1, 49239241, 49239241, 344674687, 49239241, 49239241, 49239241, 344674687, 1, 35162451967]

cp's OEIS Frontend

A144860 Denominators 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