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A066622
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Concatenation of prime numbers in increasing order up to the n-th and then in decreasing order.
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3
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2, 232, 23532, 2357532, 2357117532, 23571113117532, 235711131713117532, 2357111317191713117532, 23571113171923191713117532, 235711131719232923191713117532, 2357111317192329312923191713117532
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Table[FromDigits[Flatten[IntegerDigits/@Join[Prime[Range[n]], Reverse[Most[Prime[Range[n]]]]]]], {n, 12}] (* Harvey P. Dale, Oct 02 2022 *)
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CROSSREFS
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KEYWORD
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easy,nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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