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A140913
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Number of 4 X 8 matrices with elements in 0..n with each row and each column in nondecreasing order. 4,8,n can be permuted, see formula.
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0
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1, 495, 70785, 4723719, 184225041, 4789851066, 90474964580, 1318349483880, 15484613937936, 151561524301616, 1268665346776464, 9271015995674160, 60142744792450320, 351141102288229176, 1866359220145419780, 9118323640906544350, 41286527321442170625
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