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A251281
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Number of (n+1)X(6+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element
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1
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131421696, 1071238805248, 8731180080790272, 71150650646356529216, 579798390712632340647936, 4724687679127024503784365440, 38500708396868195909229905732096, 313735908205564473863325105791912960
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