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.

A189908 Number of 6Xn binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally.

Table of values

n a(n)
1 52
2 2704
3 140608
4 3810503
5 101895401
6 2719427244
7 73093919926
8 1951128590287
9 51589584277346
10 1358147318157857
11 35658646898466208
12 933963332609935010
13 24435853969347309728
14 638718834034880161561
15 16686274811151524544035

List of values

[52, 2704, 140608, 3810503, 101895401, 2719427244, 73093919926, 1951128590287, 51589584277346, 1358147318157857, 35658646898466208, 933963332609935010, 24435853969347309728, 638718834034880161561, 16686274811151524544035]

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

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