cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A144847 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 u_n(x), used to approximate x->sin(Pi*x)/Pi.

Table of values

n a(n)
0 1
1 2
2 2
3 8
4 4
5 8
6 88
7 22
8 88
9 44
10 2048
11 64
12 1024
13 256
14 2048
15 78656
16 4916
17 19664
18 39328
19 78656
20 39328
21 4439936
22 34687
23 277496
24 1109984
25 4439936
26 1109984
27 2219968
28 344674688
29 2692771
30 21542168
31 43084336
32 344674688
33 86168672
34 172337344

List of values

[1, 2, 2, 8, 4, 8, 88, 22, 88, 44, 2048, 64, 1024, 256, 2048, 78656, 4916, 19664, 39328, 78656, 39328, 4439936, 34687, 277496, 1109984, 4439936, 1109984, 2219968, 344674688, 2692771, 21542168, 43084336, 344674688, 86168672, 172337344]