

A297340


Number of 3Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s.


1



8, 21, 96, 334, 1310, 4888, 18604, 70255, 266149, 1006942, 3811738, 14425839, 54601094, 206654096, 782157108, 2960335613, 11204414255, 42406931107, 160503589065, 607480807913, 2299219387602, 8702183730269, 32936397114024
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