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A233377
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Number of (3+1)X(n+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..3+1} nondecreasing.
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1
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444, 10496, 202692, 3297833, 46482312, 579835701, 6509469538, 66642934268, 628883018246, 5518306278777, 45357047785845, 351381939241378, 2579374029688225, 18023614609572379, 120364975288294768
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