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A183854 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others 9

%I #5 Mar 31 2012 12:35:55

%S 35,107,107,328,429,328,1011,1766,1766,1011,3117,7453,9557,7453,3117,

%T 9650,31767,54724,54724,31767,9650,29863,136894,310856,448665,310856,

%U 136894,29863,92771,591211,1846987,3608259,3608259,1846987,591211,92771

%N T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others

%C Table starts

%C .....35......107........328.........1011...........3117.............9650

%C ....107......429.......1766.........7453..........31767...........136894

%C ....328.....1766.......9557........54724.........310856..........1846987

%C ...1011.....7453......54724.......448665........3608259.........31362526

%C ...3117....31767.....310856......3608259.......40482339........515409762

%C ...9650...136894....1846987.....31362526......515409762.......9808052813

%C ..29863...591211...10793131....265093125.....6355114021.....181527680767

%C ..92771..2568541...65461226...2373353909....84948077733....3637653147102

%C .287976.11149598..388802189..20638236376..1105084856456...71400670236377

%C .897247.48599949.2384144524.187666794149.15097065676125.1460353019415072

%H R. H. Hardin, <a href="/A183854/b183854.txt">Table of n, a(n) for n = 1..263</a>

%e Some solutions for 4X3

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

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

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

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

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Jan 07 2011

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Last modified July 23 11:07 EDT 2024. Contains 374549 sequences. (Running on oeis4.)