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.

A209586 Number of n X n 0..1 arrays with every element equal to a diagonal or antidiagonal reflection.

Table of values

n a(n)
1 2
2 16
3 192
4 9216
5 663552
6 191102976
7 82556485632
8 142657607172096
9 369768517790072832
10 3833759992447475122176
11 59622635402543133100081152
12 3709004903121403223889848303616
13 346094665520064377627609524907016192

List of values

[2, 16, 192, 9216, 663552, 191102976, 82556485632, 142657607172096, 369768517790072832, 3833759992447475122176, 59622635402543133100081152, 3709004903121403223889848303616, 346094665520064377627609524907016192]

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

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