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A235422
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Number of (2+1)X(n+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and nonincreasing columnwise
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1
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432, 5022, 60879, 543946, 4895505, 35230388, 255103234, 1554228232, 9515328218, 50741400195, 271565143251, 1297890540438, 6219668001557, 27116924880173, 118466428248793, 477662770905341, 1929017445264100, 7271629530089986
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