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.

A346019 Number of n X n invertible matrices over GF(2) that have order 2^n-1.

Table of values

n a(n)
1 1
2 2
3 48
4 2688
5 1935360
6 1919877120
7 23222833643520
8 335564785519165440
9 65717007596073359769600
10 21492090164219831579049984000
11 66041307304745851496871108594892800
12 226523509196861965428709270554756199219200
13 16622838761287803491875715175557341313583022080000

List of values

[1, 2, 48, 2688, 1935360, 1919877120, 23222833643520, 335564785519165440, 65717007596073359769600, 21492090164219831579049984000, 66041307304745851496871108594892800, 226523509196861965428709270554756199219200, 16622838761287803491875715175557341313583022080000]