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.

A208505 Number of 7 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.

Table of values

n a(n)
1 28
2 784
3 896
4 3024
5 9912
6 33488
7 111328
8 374416
9 1249472
10 4192384
11 14013664
12 46966976
13 157118976
14 526293824
15 1761299456
16 5898133248
17 19742507904
18 66103688448
19 221286062592
20 740881883392
21 2480260385792
22 8303825768448

List of values

[28, 784, 896, 3024, 9912, 33488, 111328, 374416, 1249472, 4192384, 14013664, 46966976, 157118976, 526293824, 1761299456, 5898133248, 19742507904, 66103688448, 221286062592, 740881883392, 2480260385792, 8303825768448]

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

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