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.

A300774 Number of nX6 0..1 arrays with every element equal to 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

This page as a plain text file.
%I A300774 #4 Mar 12 2018 11:27:45
%S A300774 0,19,102,735,10374,116954,1413931,17336190,210669938,2579232344,
%T A300774 31507335039,385235115962,4709579663351,57576031578161,
%U A300774 703919626655464,8605843851625144,105213106646598954,1286307937687623392
%N A300774 Number of nX6 0..1 arrays with every element equal to 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C A300774 Column 6 of A300776.
%H A300774 R. H. Hardin, <a href="/A300774/b300774.txt">Table of n, a(n) for n = 1..210</a>
%e A300774 Some solutions for n=5
%e A300774 ..0..0..1..1..0..0. .0..0..1..1..0..0. .0..0..0..0..0..0. .0..0..1..1..0..0
%e A300774 ..0..1..1..1..0..0. .0..1..1..1..0..1. .0..0..1..1..1..0. .0..0..1..0..0..0
%e A300774 ..1..0..0..0..1..1. .0..0..0..0..1..1. .0..1..1..1..1..0. .0..1..1..1..1..0
%e A300774 ..1..0..0..1..1..0. .1..1..1..0..0..1. .1..1..1..1..1..0. .1..1..0..1..1..0
%e A300774 ..1..1..1..1..0..0. .1..1..1..0..1..1. .1..1..1..1..0..0. .1..0..0..0..0..0
%Y A300774 Cf. A300776.
%K A300774 nonn
%O A300774 1,2
%A A300774 _R. H. Hardin_, Mar 12 2018