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.

A303329 Number of 7Xn 0..1 arrays with every element equal to 0, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

This page as a plain text file.
%I A303329 #4 Apr 21 2018 13:16:36
%S A303329 64,1,64,3,204,136,2956,3929,69328,130531,2005898,4227664,61153964,
%T A303329 138433606,1895471346,4533018431,59124000419,148573817239,
%U A303329 1850543645961,4870321182842,58066023583621,159666967568560,1825934714066510
%N A303329 Number of 7Xn 0..1 arrays with every element equal to 0, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C A303329 Row 7 of A303325.
%H A303329 R. H. Hardin, <a href="/A303329/b303329.txt">Table of n, a(n) for n = 1..210</a>
%e A303329 Some solutions for n=5
%e A303329 ..0..1..0..1..0. .0..0..0..1..0. .0..0..0..1..0. .0..0..1..0..1
%e A303329 ..1..1..1..1..1. .0..0..0..1..0. .0..0..0..1..0. .1..0..0..0..0
%e A303329 ..1..0..1..0..1. .0..1..0..1..0. .1..1..1..1..1. .0..0..0..1..0
%e A303329 ..1..1..1..1..1. .1..0..1..1..1. .1..1..1..0..1. .0..1..0..0..0
%e A303329 ..0..1..0..1..0. .1..1..1..0..1. .1..0..1..1..1. .1..0..1..0..1
%e A303329 ..0..1..0..1..0. .0..1..1..1..1. .1..1..1..1..0. .1..1..1..0..1
%e A303329 ..0..1..0..1..0. .0..1..1..1..1. .1..1..1..1..0. .0..1..0..0..0
%Y A303329 Cf. A303325.
%K A303329 nonn
%O A303329 1,1
%A A303329 _R. H. Hardin_, Apr 21 2018