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.

A144816 Denominators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2*k+1) in polynomial t_n(x), used to define continuous and n times differentiable sigmoidal transfer functions.

Table of values

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

List of values

[1, 2, 2, 8, 4, 8, 16, 16, 16, 16, 128, 32, 64, 32, 128, 256, 256, 128, 128, 256, 256, 1024, 512, 1024, 256, 1024, 512, 1024, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 32768, 4096, 8192, 4096, 16384, 4096, 8192, 4096, 32768, 65536, 65536, 16384, 16384, 32768, 32768, 16384, 16384, 65536, 65536]