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.

A244421 Denominators of coefficient triangle for expansion of x^n in terms of polynomials Todd(k,x) = T(2*k+1, sqrt(x))/sqrt(x) (A084930), with the Chebyshev T-polynomials.

Table of values

n a(n)
0 1
1 4
2 4
3 8
4 16
5 16
6 64
7 64
8 64
9 64
10 128
11 64
12 64
13 256
14 256
15 512
16 512
17 1024
18 1024
19 1024
20 1024
21 1024
22 4096
23 4096
24 2048
25 2048
26 4096
27 4096
28 16384
29 16384
30 16384
31 16384
32 16384
33 16384
34 16384
35 16384
36 32768
37 8192
38 8192
39 16384
40 16384
41 8192
42 8192
43 65536
44 65536
45 131072
46 131072
47 65536
48 65536
49 65536
50 65536
51 262144
52 262144
53 262144
54 262144
55 262144
56 524288
57 524288
58 131072
59 131072
60 1048576
61 1048576
62 524288
63 524288
64 1048576
65 1048576

List of values

[1, 4, 4, 8, 16, 16, 64, 64, 64, 64, 128, 64, 64, 256, 256, 512, 512, 1024, 1024, 1024, 1024, 1024, 4096, 4096, 2048, 2048, 4096, 4096, 16384, 16384, 16384, 16384, 16384, 16384, 16384, 16384, 32768, 8192, 8192, 16384, 16384, 8192, 8192, 65536, 65536, 131072, 131072, 65536, 65536, 65536, 65536, 262144, 262144, 262144, 262144, 262144, 524288, 524288, 131072, 131072, 1048576, 1048576, 524288, 524288, 1048576, 1048576]