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Concatenation of next n isolated primes.
1

%I #11 Jun 09 2022 13:32:52

%S 2,2337,475367,79838997,113127131157163,167173211223233251,

%T 257263277293307317331,337353359367373379383389,

%U 397401409439443449457467479,487491499503509541547557563577

%N Concatenation of next n isolated primes.

%H Harvey P. Dale, <a href="/A133074/b133074.txt">Table of n, a(n) for n = 1..166</a>

%H Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a>.

%t Module[{ip=Select[Prime[Range[200]],NoneTrue[#+{2,-2},PrimeQ]&],c},c = Floor[ (Sqrt[8 Length[ip]+1]-1)/2];FromDigits[Flatten[IntegerDigits/@#]]&/@TakeList[ ip,Range[c]]] (* _Harvey P. Dale_, Jun 09 2022 *)

%Y Cf. A007510, A053067, A133013, A133014.

%K base,easy,nonn

%O 1,1

%A _Omar E. Pol_, Nov 10 2007