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.

A051680 Number of n X n invertible matrices A over GF(3) such that A-I is invertible.

Table of values

n a(n)
1 1
2 27
3 6291
4 13589289
5 266377183929
6 47123189360124723
7 75095231825148137471259
8 1077370264330489309698453375441
9 139124702920688202983704723564457669361

List of values

[1, 27, 6291, 13589289, 266377183929, 47123189360124723, 75095231825148137471259, 1077370264330489309698453375441, 139124702920688202983704723564457669361]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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