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.

A285746 Number of n X 4 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Table of values

n a(n)
1 2
2 44
3 630
4 8544
5 125088
6 1835412
7 27339964
8 410644956
9 6209001966
10 94379911740
11 1441030936810
12 22084845714940
13 339564086313454
14 5235658587223164
15 80926601563138862
16 1253589943179659024
17 19456171723796564164

List of values

[2, 44, 630, 8544, 125088, 1835412, 27339964, 410644956, 6209001966, 94379911740, 1441030936810, 22084845714940, 339564086313454, 5235658587223164, 80926601563138862, 1253589943179659024, 19456171723796564164]

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

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