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.

A196475 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,3,2,1 for x=0,1,2,3,4.

This page as a plain text file.
%I A196475 #7 Jun 02 2025 04:24:57
%S A196475 12,28,27,136,557,5955,38826,128960,351238,1374515,5837922,30814351,
%T A196475 167525199,704218824,2677605502,10721905782,44470299831,200591500952,
%U A196475 939099305213,4163383808755,17808261939750,75069877372742
%N A196475 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,3,2,1 for x=0,1,2,3,4.
%C A196475 Every 0 is next to 0 4's, every 1 is next to 1 0's, every 2 is next to 2 3's, every 3 is next to 3 2's, every 4 is next to 4 1's
%C A196475 Column 6 of A196477
%H A196475 R. H. Hardin, <a href="/A196475/b196475.txt">Table of n, a(n) for n = 1..200</a>
%e A196475 Some solutions for n=4
%e A196475 ..0..0..0..1..1..0....0..0..1..1..0..0....0..0..1..1..0..1....1..1..0..0..0..1
%e A196475 ..0..0..0..1..1..0....1..1..4..1..0..0....0..0..1..4..1..1....0..1..1..1..1..1
%e A196475 ..0..0..0..1..1..0....1..1..1..1..0..0....0..0..1..1..1..0....1..1..1..4..1..0
%e A196475 ..0..0..0..1..1..0....0..0..0..1..1..1....1..1..1..0..1..1....1..0..0..1..1..0
%K A196475 nonn
%O A196475 1,1
%A A196475 _R. H. Hardin_ Oct 03 2011