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A097222
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Numbers n such that for some k there exist k numbers a1,a2, ...,ak that concatenations of them is equal to n and sum of them is equal to Pi(n).
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2
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15, 27, 39, 130, 131, 252, 370, 489, 1195, 2345, 3484, 4619, 5752, 6879
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OFFSET
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1,1
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LINKS
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EXAMPLE
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9642459 is in the sequence because Pi(9642459)=9+642459
in fact a1=9 & a2=642459.
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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