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A146188
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Number of n X n binary arrays with all ones connected only in a 101-111-100 pattern in any orientation.
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0
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1, 1, 9, 33, 89, 973, 38577, 1078541, 28644797, 2049754535, 324959092887, 58338532772401, 13434523893685925
(list; graph; refs; listen; history; internal format)
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