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.

A207448 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically.

Table of values

n a(n)
1 2
2 16
3 90
4 760
5 5200
6 46956
7 370734
8 3599104
9 31807710
10 329885620
11 3198732768
12 35206521816
13 369188811082
14 4287997640080
15 48104913781890
16 586813738039904
17 6984278125524784
18 89124296743065348
19 1118012637781250310

List of values

[2, 16, 90, 760, 5200, 46956, 370734, 3599104, 31807710, 329885620, 3198732768, 35206521816, 369188811082, 4287997640080, 48104913781890, 586813738039904, 6984278125524784, 89124296743065348, 1118012637781250310]

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

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