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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.

A270228 Number of matchings in the n X n rook graph K_n X K_n.

Table of values

n a(n)
1 1
2 7
3 370
4 270529
5 3337807996
6 855404716021831
7 5352265402523357926168
8 940288991338542314571521981185
9 5236753179470435264288904589157765055760
10 1029720447530443779943631183186535523331685533812231

List of values

[1, 7, 370, 270529, 3337807996, 855404716021831, 5352265402523357926168, 940288991338542314571521981185, 5236753179470435264288904589157765055760, 1029720447530443779943631183186535523331685533812231]

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

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