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 A165936 This is a sequence of triples of squarefree consecutive integers each composed of exactly three primes. 0
 1309, 1310, 1311, 1885, 1886, 1887, 2013, 2014, 2015, 2665, 2666, 2667, 3729, 3730, 3731, 5133, 5134, 5135, 6061, 6062, 6063, 6213, 6214, 6215, 6305, 6306, 6307, 6477, 6478, 6479, 6853, 6854, 6855, 6985, 6986, 6987, 7257, 7258, 7259, 7953, 7954, 7955, 8393 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA a(3n+1)= A066509(n+1). a(3n+2)=1+a(3n+1). a(3n+3)=1+a(3n+2). - R. J. Mathar, Nov 27 2011 MATHEMATICA Select[Partition[Range[10000], 3, 1], AllTrue[#, SquareFreeQ]&&Union[ PrimeOmega[ #]] == {3}&]//Flatten (* Harvey P. Dale, Oct 02 2017 *) CROSSREFS Sequence in context: A281211 A233975 A209853 * A242606 A066509 A248202 Adjacent sequences:  A165933 A165934 A165935 * A165937 A165938 A165939 KEYWORD nonn AUTHOR Richard L. Peterson (rl_pete(AT)yahoo.com), Oct 01 2009 EXTENSIONS More terms from Harvey P. Dale, Oct 02 2017 STATUS approved

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Last modified March 22 06:01 EDT 2018. Contains 301047 sequences. (Running on oeis4.)