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A153445
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Take n points in general position in space; draw all planes through all triples of these points; sequence gives number of connected regions formed.
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2
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OFFSET
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3,1
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LINKS
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FORMULA
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a(n)=1+(n^9-9n^8+6n^7+180n^6-663n^5+369n^4+3536n^3-8964n^2+2952n)/1296
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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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