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.

A246051 Triangle read by rows: numerator of h(n-k)*h(k)/h(n) where h(x) = zeta(2*x)*(4^x-2), 0<=k<=n.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 5
5 1
6 1
7 49
8 49
9 1
10 1
11 310
12 343
13 310
14 1
15 1
16 4191
17 341
18 341
19 4191
20 1
21 1
22 1162525
23 2669667
24 1374230
25 2669667
26 1162525
27 1
28 1
29 1414477
30 46501
31 562991
32 562991
33 46501
34 1414477
35 1
36 1
37 13924700
38 48092218
39 1613300
40 117628797
41 1613300
42 48092218
43 13924700
44 1

List of values

[1, 1, 1, 1, 5, 1, 1, 49, 49, 1, 1, 310, 343, 310, 1, 1, 4191, 341, 341, 4191, 1, 1, 1162525, 2669667, 1374230, 2669667, 1162525, 1, 1, 1414477, 46501, 562991, 562991, 46501, 1414477, 1, 1, 13924700, 48092218, 1613300, 117628797, 1613300, 48092218, 13924700, 1]