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A162131
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Number of n X n symmetric 0..6 arrays with rows, considered as 7-ary numbers, in strictly increasing order
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1
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7, 168, 20664, 13420008, 48646451448, 1026088816521384, 129626970213767748408, 100146990341371129870445928, 480706456216438726881369732950904, 14515325887679952129833652850645598932008
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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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