# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a206936 Showing 1-1 of 1 %I A206936 #5 Mar 31 2012 12:37:14 %S A206936 2,4,4,7,16,7,13,49,49,12,24,169,211,144,20,44,576,1153,811,400,33,81, %T A206936 1936,6139,6837,2791,1089,54,149,6561,31529,55088,35277,9055,2916,88, %U A206936 274,22201,165783,410000,418876,170409,28081,7744,143,504,75076,867545 %N A206936 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically %C A206936 Table starts %C A206936 ..2....4.....7......13........24.........44..........81...........149 %C A206936 ..4...16....49.....169.......576.......1936........6561.........22201 %C A206936 ..7...49...211....1153......6139......31529......165783........867545 %C A206936 .12..144...811....6837.....55088.....410000.....3227589......25102409 %C A206936 .20..400..2791...35277....418876....4293648....48992069.....546661165 %C A206936 .33.1089..9055..170409...2967939...40316253...659747611...10405676997 %C A206936 .54.2916.28081..783557..20054092..348614952..8138711727..180107729045 %C A206936 .88.7744.84403.3498981.132811808.2858059128.95444167901.2968348851593 %H A206936 R. H. Hardin, Table of n, a(n) for n = 1..312 %e A206936 Some solutions for n=4 k=3 %e A206936 ..0..0..1....1..1..1....0..1..1....1..1..0....0..0..1....0..0..1....0..1..0 %e A206936 ..0..1..1....1..1..0....1..1..0....0..0..1....0..0..1....0..0..1....1..0..1 %e A206936 ..0..0..1....1..0..1....0..1..1....0..1..0....0..0..1....1..0..1....0..1..0 %e A206936 ..0..1..0....1..1..0....1..0..0....0..0..1....1..1..1....0..0..1....1..0..0 %Y A206936 Column 1 is A000071(n+3) %Y A206936 Column 2 is A188516 %Y A206936 Row 1 is A000073(n+3) %Y A206936 Row 2 is A085697(n+1) %Y A206936 Row 3 is A206872 %K A206936 nonn,tabl %O A206936 1,1 %A A206936 _R. H. Hardin_ Feb 13 2012 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE