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.

A184200 Number of (n+1) X 3 binary arrays with no 2 X 2 subblock containing fewer than two 1s.

Table of values

n a(n)
1 35
2 195
3 1028
4 5529
5 29593
6 158648
7 850155
8 4556371
9 24418812
10 130868377
11 701364193
12 3758831480
13 20144755955
14 107962068819
15 578602594196
16 3100912827657
17 16618764665065
18 89065173542888
19 477328206813915

List of values

[35, 195, 1028, 5529, 29593, 158648, 850155, 4556371, 24418812, 130868377, 701364193, 3758831480, 20144755955, 107962068819, 578602594196, 3100912827657, 16618764665065, 89065173542888, 477328206813915]

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

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