|
%I #5 Mar 31 2012 12:36:00
%S 8,28,28,98,160,98,350,918,918,350,1250,5430,8643,5430,1250,4450,
%T 32042,84828,84828,32042,4450,15842,188394,828804,1396000,828804,
%U 188394,15842,56426,1107926,8066003,22837236,22837236,8066003,1107926,56426,200978
%N T(n,k)=Half the number of (n+1)X(k+1) binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one
%C Table starts
%C ......8........28..........98............350.............1250
%C .....28.......160.........918...........5430............32042
%C .....98.......918........8643..........84828...........828804
%C ....350......5430.......84828........1396000.........22837236
%C ...1250.....32042......828804.......22837236........624608260
%C ...4450....188394.....8066003......371916790......16993352260
%C ..15842...1107926....78509868.....6057271712.....462355902596
%C ..56426...6519094...764691186....98736408638...12592730376316
%C .200978..38356642..7447473213..1609249499406..342921355920877
%C .715786.225665454.72527899252.26226651558476.9337694288241678
%H R. H. Hardin, <a href="/A184614/b184614.txt">Table of n, a(n) for n = 1..144</a>
%e Some solutions for 3X3
%e ..0..1..0....0..0..0....1..0..1....1..0..1....1..0..0....1..0..1....1..1..1
%e ..1..1..0....0..1..1....1..0..1....0..0..0....1..1..1....0..0..0....0..1..1
%e ..0..1..1....0..0..0....1..1..0....0..0..1....0..0..0....0..1..1....1..1..1
%e ...
%e ...3..2.......1..2.......2..2.......1..1.......3..2.......1..1.......3..4...
%e ...3..3.......1..2.......3..2.......0..1.......2..2.......1..2.......3..4...
%K nonn,tabl
%O 1,1
%A _R. H. Hardin_ Jan 18 2011
| 