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.

A370411 Square array T(n, k) = denominator( zeta_r(2*n) * sqrt(A003658(k + 2)) / Pi^(4*n) ), read by antidiagonals, where zeta_r is the Dedekind zeta-function over r and r is the real quadratic field with discriminant A003658(k + 2).

Table of values

n a(n)
0 1
1 75
2 1
3 16875
4 24
5 1
6 221484375
7 34560
8 18
9 1
10 116279296875
11 116121600
12 58320
13 39
14 1
15 12950606689453125
16 780337152000
17 440899200
18 296595
19 51
20 1
21 4861333986053466796875
22 8899589151129600
23 6666395904000
24 68420017575
25 663255
26 63
27 1
28 677114376628875732421875

List of values

[1, 75, 1, 16875, 24, 1, 221484375, 34560, 18, 1, 116279296875, 116121600, 58320, 39, 1, 12950606689453125, 780337152000, 440899200, 296595, 51, 1, 4861333986053466796875, 8899589151129600, 6666395904000, 68420017575, 663255, 63, 1, 677114376628875732421875]