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A163021
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Number of n X 4 binary arrays with all 1's connected and a path of 1's from left column to lower right corner.
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1
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1, 29, 416, 4776, 50720, 522982, 5323854, 53861817, 543240561, 5470511797, 55045873418, 553670627178, 5567917242290, 55987505409573, 562947468953116, 5660225918946978, 56910735678528024, 572205314886589089
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OFFSET
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1,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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