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.

A075845 Associated to determinants of skew-symmetric matrices related to Catalan-numbers or central binomial coefficients.

Table of values

n a(n)
1 1
2 2
3 6
4 31
5 286
6 4600
7 130664
8 6619840
9 591478944
10 93683332808
11 26438906945728
12 13204957909414302
13 11705869922500953011
14 18478647155522687153022
15 51703789444327985876248510
16 256918480515843999119385185643
17 2272506643204540750098828441592950

List of values

[1, 2, 6, 31, 286, 4600, 130664, 6619840, 591478944, 93683332808, 26438906945728, 13204957909414302, 11705869922500953011, 18478647155522687153022, 51703789444327985876248510, 256918480515843999119385185643, 2272506643204540750098828441592950]