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A162127
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Number of n X n symmetric 0..2 arrays with rows, considered as 3-ary numbers, in strictly increasing order
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1
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3, 12, 124, 3084, 185372, 27575084, 10417956924, 10221185826892, 26504730763164764, 184169429458588129644, 3466700754295862842687612, 178350026183671506033012278924, 25264252738038225534160060999871644
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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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