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A078460 Initial n digits in decimal portion of the Traveling Salesman constant (A073008) form a prime number. 0

%I

%S 1,2,20,26,351,425,696

%N Initial n digits in decimal portion of the Traveling Salesman constant (A073008) form a prime number.

%C a(5), a(6) and a(7) certified prime with Primo.

%e a(2)=2 since 71 is prime.

%Y Cf. A073008.

%K more,nonn,base

%O 1,2

%A _Jason Earls_, Dec 31 2002

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Last modified May 24 12:01 EDT 2022. Contains 354033 sequences. (Running on oeis4.)