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%I #4 Aug 18 2023 11:03:52
%S 22,2332,235532,23577532,235711117532,2357111331117532,
%T 23571113177131117532,235711131719917131117532,
%U 2357111317192332917131117532,23571113171923299232917131117532,235711131719232931139232917131117532,2357111317192329313773139232917131117532
%N Concatenation of consecutive primes in the forward and reverse order.
%e 2332 is derived by concatenating the first two primes (2 and 3) in the "forward" order and the last two digits are the same primes in the "reverse" order.
%t Table[With[{cp=Flatten[IntegerDigits/@Prime[Range[n]]]},FromDigits[Join[cp,Reverse[cp]]]],{n,20}] (* _Harvey P. Dale_, Aug 18 2023 *)
%K easy,nonn,base
%O 1,1
%A _Parthasarathy Nambi_, Sep 27 2004
%E Corrected and extended by _Harvey P. Dale_, Aug 18 2023