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 A163759 Exactly three distinct primes occur as substrings of the digits of n. 0
 23, 37, 53, 73, 117, 123, 127, 132, 135, 139, 153, 157, 167, 171, 172, 175, 193, 211, 213, 217, 227, 229, 230, 232, 234, 236, 238, 241, 243, 247, 251, 259, 263, 267, 275, 277, 279, 295, 307, 312, 315, 319, 323, 325, 327, 329, 331, 352, 357, 370, 374, 376 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE a(1) = 23 because "2" and "3" and "23" are prime substrings of "23". CROSSREFS Sequence in context: A105184 A238056 A066064 * A190731 A092622 A129351 Adjacent sequences:  A163756 A163757 A163758 * A163760 A163761 A163762 KEYWORD base,easy,nonn AUTHOR Gil Broussard, Aug 03 2009 STATUS approved

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Last modified February 21 23:44 EST 2019. Contains 320381 sequences. (Running on oeis4.)