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A162043
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Number of n X n symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and no more than 9 ones in any row
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0
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2, 5, 17, 86, 698, 9551, 226592, 9471845, 705154187, 93580638024, 21617123994739, 8359355039654246, 5068693922149271436
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OFFSET
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1,1
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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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