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.

A203087 Number of (n+2)X6 binary arrays avoiding patterns 000 and 101 in rows and columns.

Table of values

n a(n)
1 1575
2 6615
3 26528
4 112334
5 470807
6 1946072
7 8108104
8 33749405
9 140139039
10 582872782
11 2424232694
12 10076881075
13 41899814371
14 174230232505
15 724397027179
16 3011944328140
17 12523598001417
18 52071590286001
19 216507575162589

List of values

[1575, 6615, 26528, 112334, 470807, 1946072, 8108104, 33749405, 140139039, 582872782, 2424232694, 10076881075, 41899814371, 174230232505, 724397027179, 3011944328140, 12523598001417, 52071590286001, 216507575162589]

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

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