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 A168529 Primes n that are concatenation of two 3-digit primes p
 101107, 101113, 101149, 101173, 101197, 101281, 101293, 101347, 101359, 101383, 101419, 101449, 101467, 101503, 101599, 101641, 101653, 101701, 101719, 101797, 101839, 101863, 101929, 101977, 103307, 103349, 103409, 103421, 103457, 103577 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Or, primes of the form 10^3*p+q, p,q primes, 100select(n->isprime(n) && isprime(n%1000), [1000*p+p+1..1000*p+997]), select(isprime, [101..996]))) \\ Andrew Howroyd, Feb 22 2018 CROSSREFS Subsequence of A105184. Sequence in context: A068445 A210888 A115828 * A255976 A161796 A096929 Adjacent sequences: A168526 A168527 A168528 * A168530 A168531 A168532 KEYWORD base,fini,full,nonn AUTHOR Zak Seidov, Nov 28 2009 EXTENSIONS Terms a(25) and beyond in b-file corrected by Andrew Howroyd, Feb 22 2018 STATUS approved

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Last modified December 9 12:31 EST 2023. Contains 367690 sequences. (Running on oeis4.)