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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.

A183768 1/32 the number of (2n+1) X 6 binary arrays with equal numbers of 2 X 2 subblocks with sum mod two being 0 and 1.

Table of values

n a(n)
1 2016
2 5912192
3 19855042560
4 70577422755840
5 258888921984516096
6 968823452179344785408
7 3676119951496408119115776
8 14091184863095839321177456640
9 54435471052008802940182132162560

List of values

[2016, 5912192, 19855042560, 70577422755840, 258888921984516096, 968823452179344785408, 3676119951496408119115776, 14091184863095839321177456640, 54435471052008802940182132162560]

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

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