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.

A189197 Number of 4 X n binary arrays without the pattern 0 0 1 vertically or antidiagonally.

Table of values

n a(n)
1 12
2 144
3 1494
4 15326
5 156564
6 1598444
7 16316636
8 166552852
9 1700084336
10 17353550112
11 177135689224
12 1808105575848
13 18456166259888
14 188390587782160
15 1922989479244368
16 19628839107258224
17 200360599393734848

List of values

[12, 144, 1494, 15326, 156564, 1598444, 16316636, 166552852, 1700084336, 17353550112, 177135689224, 1808105575848, 18456166259888, 188390587782160, 1922989479244368, 19628839107258224, 200360599393734848]

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

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