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A244269
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Primes p such that 1p2p3p4p5p6p7p8p9 is prime.
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0
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2, 59, 67, 89, 113, 211, 239, 307, 379, 421, 593, 701, 907, 1283, 1367, 1759, 1777, 1823, 1867, 2131, 2179, 2467, 2663, 2753, 2861, 2953, 3109, 3389, 3407, 3463, 3517, 4457, 4481, 4583, 4759, 5077, 5227, 5437, 5501, 7043, 7103, 7253, 7331, 7541, 7673, 7703, 7919, 8087, 8221, 8363, 8461, 8609, 8783, 8923, 9001
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OFFSET
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1,1
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LINKS
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EXAMPLE
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59 is prime and 1592593594595596597598599 is prime. Thus 59 is a member of this sequence.
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PROG
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(PARI) for(n=1, 10^4, b=""; for(i=3, 19, if(i==Mod(1, 2), b=concat(b, Str((i-1)/2))); if(i==Mod(0, 2), b=concat(b, Str(prime(n))))); if(ispseudoprime(eval(b)), print1(prime(n), ", ")))
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CROSSREFS
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KEYWORD
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nonn,base,less
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AUTHOR
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STATUS
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approved
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