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 A233058 Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..1+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing 1

%I

%S 7,16,33,66,132,265,530,1052,2092,4183,8354,16635,33179,66383,132711,

%T 264751,528676,1057904,2115653,4224206,8439821,16888361,33778253,

%U 67474289,134850638,269827760,539703540,1078399254,2155614282,4313028554

%N Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..1+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing

%C Column 1 of A233062

%H R. H. Hardin, <a href="/A233058/b233058.txt">Table of n, a(n) for n = 1..68</a>

%e Some solutions for n=5

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 03 2013

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Last modified May 18 23:58 EDT 2021. Contains 344009 sequences. (Running on oeis4.)