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.

A340243 a(n) = denominator((2*n-1)*zeta(2*n)/Pi^(2*n)).

Table of values

n a(n)
0 2
1 6
2 30
3 189
4 1350
5 10395
6 58046625
7 1403325
8 21709437750
9 2292899734125
10 80596287646875
11 640374140030625
12 8779111824511153125
13 443779279041223125
14 20913098524817639765625
15 195202717402382161174828125
16 2015813566807172297008593750
17 367589532770719654160390625

List of values

[2, 6, 30, 189, 1350, 10395, 58046625, 1403325, 21709437750, 2292899734125, 80596287646875, 640374140030625, 8779111824511153125, 443779279041223125, 20913098524817639765625, 195202717402382161174828125, 2015813566807172297008593750, 367589532770719654160390625]