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.

A184206 Number of (n+1)X9 binary arrays with no 2X2 subblock containing fewer than two 1s.

Table of values

n a(n)
1 31707
2 4556371
3 518574936
4 64377477751
5 7795714368919
6 952294826074262
7 116023864377980183
8 14148460147460008963
9 1724850427268614620086
10 210297145807804211632731
11 25639101187522824504622401

List of values

[31707, 4556371, 518574936, 64377477751, 7795714368919, 952294826074262, 116023864377980183, 14148460147460008963, 1724850427268614620086, 210297145807804211632731, 25639101187522824504622401]

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

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