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.

A072148 Number of invertible (-1,0,1) n X n matrices having (Tij = -Tji; i such that all T^k (k= 1..12) are also (-1,0,1) matrices.

Table of values

n a(n)
1 2
2 14
3 92
4 796
5 7672
6 83944

List of values

[2, 14, 92, 796, 7672, 83944]