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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.

A209598 Number of 7X7 0..n arrays with every element equal to a diagonal or antidiagonal reflection.

Table of values

n a(n)
1 82556485632
2 61291132048828125
3 709908161907247808512
4 923682425022125244140625
5 310357092660359621536382976
6 41461694858240499304086993277
7 2836619246897071128576000000000

List of values

[82556485632, 61291132048828125, 709908161907247808512, 923682425022125244140625, 310357092660359621536382976, 41461694858240499304086993277, 2836619246897071128576000000000]

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

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