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A138044 Primes formed from the concatenation of primitive Pythagorean triples. 1

%I

%S 81517,202129,6091109,19180181,68285293,92525533,120391409,145408433,

%T 168775793,205828853,225272353,261380461,300589661,5598401009,

%U 6458121037,7059921217,7999601249,8536123613,19521082117,22814351453

%N Primes formed from the concatenation of primitive Pythagorean triples.

%F Prime terms of A138043.

%e Entries 7999601249 and 8536123613,for instance,are primes obtained respectively from the primitive Pythagorean triples (799,960,1249,) and (85,3612,3613).

%K nonn,base

%O 1,1

%A _Lekraj Beedassy_, Mar 02 2008

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Last modified May 23 00:23 EDT 2013. Contains 225585 sequences.