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 A173448 Smallest prime(k) such that the concatenation prime(k)//prime(k+1)//...//prime(k+n-1) represents an emirp. 0
 13, 151, 353, 139, 101, 70451, 97, 15193, 3821, 9319, 7717, 103619, 10883, 18353, 108821, 701, 10091, 99251, 78497, 3559, 930043, 99787, 18671, 12251, 711751, 9293, 10861, 121921, 103099, 986189, 74287, 796567, 323003, 108707, 365779, 192377, 393901, 380251, 98479, 114343, 329729 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..41. EXAMPLE a(5) = 101 because 101103107109113 = A086041(6) is the smallest emirp formed by concatenating 5 consecutive primes (101, 103, 107, 109, 113). CROSSREFS Cf. A006567, A167518, A030996. Sequence in context: A185405 A051475 A242576 * A097168 A305262 A296722 Adjacent sequences: A173445 A173446 A173447 * A173449 A173450 A173451 KEYWORD nonn,base AUTHOR Lekraj Beedassy, Feb 18 2010 EXTENSIONS Keyword:base added and definition reworded by R. J. Mathar, Feb 24 2010 More terms from Sean A. Irvine, Nov 14 2010 STATUS approved

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Last modified December 5 01:00 EST 2023. Contains 367565 sequences. (Running on oeis4.)