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.

A203404 Number of (n+2)X7 binary arrays avoiding patterns 000 and 111 in rows and columns.

Table of values

n a(n)
1 14946
2 225654
3 2699464
4 35345798
5 446672706
6 5723980832
7 72950746702
8 931753350314
9 11890606324592
10 151793100413822
11 1937507658181110
12 24731882582236020
13 315690962210495354
14 4029680331688907654

List of values

[14946, 225654, 2699464, 35345798, 446672706, 5723980832, 72950746702, 931753350314, 11890606324592, 151793100413822, 1937507658181110, 24731882582236020, 315690962210495354, 4029680331688907654]

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

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