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.

A113900 Number of partitions of 2n X 2n checkerboard into two congruent edgewise-connected sets, counting partitions equal under rotation or reflection only once.

Table of values

n a(n)
1 1
2 6
3 255
4 92263
5 281035054
6 7490694495750
7 1789509008288411290

List of values

[1, 6, 255, 92263, 281035054, 7490694495750, 1789509008288411290]

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

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