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.

A295232 Denominator of (-1)^(n+1) * (2*n)! * (2^(2*n)+1)/(B_{2*n} * 2^(4*n-1)), where B_{n} is the Bernoulli number.

Table of values

n a(n)
0 1
1 2
2 8
3 64
4 128
5 1024
6 2830336
7 32768
8 118521856
9 11499470848
10 183092903936
11 651652235264
12 3965531409350656
13 88306004000768
14 1821484971735384064
15 7400951301593676906496
16 16555640873195841519616
17 2604961188466481168384

List of values

[1, 2, 8, 64, 128, 1024, 2830336, 32768, 118521856, 11499470848, 183092903936, 651652235264, 3965531409350656, 88306004000768, 1821484971735384064, 7400951301593676906496, 16555640873195841519616, 2604961188466481168384]