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.

A285155 Number of 4 X n 0..1 arrays with the number of 1's horizontally 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 0
2 56
3 786
4 11574
5 159060
6 2284666
7 33371602
8 495256266
9 7426444716
10 112236717358
11 1706444466326
12 26070175620594
13 399870502837122
14 6153779131538066
15 94972379110894900
16 1469319459956729810

List of values

[0, 56, 786, 11574, 159060, 2284666, 33371602, 495256266, 7426444716, 112236717358, 1706444466326, 26070175620594, 399870502837122, 6153779131538066, 94972379110894900, 1469319459956729810]

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

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