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A146379
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Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 0100-1111-0100 pattern in any orientation.
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0
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1, 1, 1, 1, 1, 1, 3, 13, 25, 41, 95, 289, 1010, 4113, 15296, 63783, 305771, 1708813, 10377230, 69118879, 490255119, 4001984029, 36100718210, 369478821921, 4060660472495, 50042558173907
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