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.

A291188 Number of inequivalent 2 X n Sudoku grids ((2*n) X (2*n) grids divided into 2 X n boxes).

Table of values

n a(n)
2 2
3 49
4 1673187
5 4743933602050718

List of values

[2, 49, 1673187, 4743933602050718]

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

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