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A184769 Number of (n+1)X6 0..3 arrays with every 2X2 subblock singular 1

%I

%S 73288,27993232,1444491280,267277851856,22101775999696,

%T 3063406967117776,308462363918463952,38088784754633618128,

%U 4147681118591532446416,489192384756554775330256,54923301389754187275076048

%N Number of (n+1)X6 0..3 arrays with every 2X2 subblock singular

%C Column 5 of A184773

%H R. H. Hardin, <a href="/A184769/b184769.txt">Table of n, a(n) for n = 1..200</a>

%F Empirical: a(n)=269*a(n-1)-18604*a(n-2)-924484*a(n-3)+172021970*a(n-4)-5317125802*a(n-5)-240644036068*a(n-6)+18315084539348*a(n-7)-176828351479993*a(n-8)-15251096945742171*a(n-9)+468969932821527864*a(n-10)+423816748106440680*a(n-11)-220194036707645621952*a(n-12)+3011341305097414924416*a(n-13)+19582053443675695521792*a(n-14)-828980845602116625865728*a(n-15)+5735250851466806177918976*a(n-16)+37237275376312329872805888*a(n-17)-769694345371364662562881536*a(n-18)+3640059294890819989078573056*a(n-19)+6546764792569404029310074880*a(n-20)-138894044476327572267652349952*a(n-21)+612902096956692422783284543488*a(n-22)-1262133089431101071140658872320*a(n-23)+1116871598603441937042892652544*a(n-24)-65595149009308503731758694400*a(n-25)-293649242721509636655022080000*a(n-26)

%e Some solutions for 3X6

%e ..0..0..1..0..2..3....0..0..3..2..3..3....0..0..0..1..0..3....0..0..2..0..2..2

%e ..0..0..1..0..0..0....0..0..0..0..0..0....0..0..0..1..0..2....0..0..0..0..2..2

%e ..0..0..1..0..2..2....0..0..0..1..1..3....0..0..0..3..0..3....0..0..0..0..3..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 21 2011

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Last modified May 20 13:32 EDT 2022. Contains 353873 sequences. (Running on oeis4.)