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A227101
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Number of nX4 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X5 binary array having a sum of two, with rows and columns of the latter in lexicographically nondecreasing order
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1
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11, 136, 1084, 8427, 60039, 384591, 2209056, 11456481, 54141062, 235262503, 947783225, 3566095007, 12613787982, 42187331840, 134097083832, 406916965311, 1183456563350, 3310261263895, 8932219958483, 23313790229352, 59000955033387
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