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.

A133130 Number of 0/1 colorings of an n X n square for which no 2 by 2 subsquare is monochromatic.

Table of values

n a(n)
0 1
1 2
2 14
3 322
4 23858
5 5735478
6 4468252414
7 11282914491066
8 92343922085798834
9 2449629600675855540670
10 210618917058297166847778158
11 58694743562963266347581955456602
12 53015873227026172656988353687982082782
13 155209215810704933798454506348361943868443334

List of values

[1, 2, 14, 322, 23858, 5735478, 4468252414, 11282914491066, 92343922085798834, 2449629600675855540670, 210618917058297166847778158, 58694743562963266347581955456602, 53015873227026172656988353687982082782, 155209215810704933798454506348361943868443334]

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

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