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A218651 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..3 nXk array.

%I A218651 #6 Jul 23 2025 00:02:54
%S A218651 4,4,4,16,16,16,36,66,66,36,94,292,610,292,94,236,1280,4946,4946,1280,
%T A218651 236,602,5644,44712,82188,44712,5644,602,1528,24782,391888,1374954,
%U A218651 1374954,391888,24782,1528,3882,108940,3441914,23370578,45453172
%N A218651 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..3 nXk array.
%C A218651 Table starts
%C A218651 .....4........4...........16..............36..................94
%C A218651 .....4.......16...........66.............292................1280
%C A218651 ....16.......66..........610............4946...............44712
%C A218651 ....36......292.........4946...........82188.............1374954
%C A218651 ....94.....1280........44712.........1374954............45453172
%C A218651 ...236.....5644.......391888........23370578..........1519211492
%C A218651 ...602....24782......3441914.......394655980.........50119569324
%C A218651 ..1528...108940.....30316230......6688451956.......1664686049742
%C A218651 ..3882...478862....266671334....113330380248......55271550032162
%C A218651 ..9858..2104866...2346850058...1919929942392....1834389849757758
%C A218651 .25038..9252000..20652411898..32533805101006...60908824469453990
%C A218651 .63592.40667620.181738545458.551254991578840.2022184882918753962
%H A218651 R. H. Hardin, <a href="/A218651/b218651.txt">Table of n, a(n) for n = 1..144</a>
%e A218651 Some solutions for n=3 k=4
%e A218651 ..1..0..0..0....3..3..2..2....0..0..0..2....2..1..1..3....2..2..2..2
%e A218651 ..1..0..0..0....2..1..1..2....0..0..1..2....1..1..1..1....0..0..1..3
%e A218651 ..1..0..0..3....1..1..1..3....0..0..2..2....1..1..1..1....0..0..1..3
%Y A218651 Column 1 is A218051
%K A218651 nonn,tabl
%O A218651 1,1
%A A218651 _R. H. Hardin_ Nov 03 2012