A208369 - OEIS

%I #5 Mar 31 2012 12:37:22

%S 2,4,4,6,16,6,10,36,36,9,16,100,114,81,14,26,256,450,351,196,21,42,

%T 676,1644,1953,1162,441,31,68,1764,6186,9999,9338,3633,961,46,110,

%U 4624,23010,52821,67396,41433,11067,2116,68,178,12100,85992,275769,507682,422541

%N T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically

%C Table starts

%C ..2....4.....6.....10.......16........26.........42...........68...........110

%C ..4...16....36....100......256.......676.......1764.........4624.........12100

%C ..6...36...114....450.....1644......6186......23010........85992........320742

%C ..9...81...351...1953.....9999.....52821.....275769......1446381.......7572429

%C .14..196..1162...9338....67396....507682....3759574.....28035840.....208473118

%C .21..441..3633..41433...422541...4503765...47178453....497691495....5235328875

%C .31..961.11067.177909..2563359..38542393..570085195...8487780687..126039261499

%C .46.2116.33994.774134.15730896.334331082.6982331490.146860432968.3080068967794

%H R. H. Hardin, <a href="/A208369/b208369.txt">Table of n, a(n) for n = 1..760</a>

%e Some solutions for n=4 k=3

%e ..0..1..1....1..1..1....1..1..1....0..1..0....0..1..0....0..1..0....1..1..0

%e ..0..1..1....1..0..1....1..1..1....1..1..1....1..0..1....0..1..0....1..1..0

%e ..0..1..1....1..1..1....1..1..0....1..1..1....1..0..1....0..1..0....1..0..0

%e ..0..1..1....0..1..1....1..0..1....1..1..1....1..0..1....0..1..0....1..0..0

%Y Column 1 is A038718(n+2)

%Y Column 2 is A207069

%Y Column 3 is A207421

%Y Row 1 is A006355(n+2)

%Y Row 2 is A206981

%Y Row 3 is A207718

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Feb 25 2012