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 A146077 Numbers n such that gcd(n, 2^n-2) does not equal the least prime factor of n. 3
 28, 35, 45, 55, 70, 77, 95, 105, 112, 115, 119, 143, 153, 154, 155, 161, 165, 175, 186, 187, 196, 203, 209, 215, 221, 225, 231, 235, 238, 247, 253, 275, 276, 280, 285, 287, 295, 299, 319, 322, 323, 325, 329, 335, 341, 345, 355, 364, 371, 377, 385, 391, 395 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Also, positive integers n where A159353(n) differs from A032742(n). LINKS Harvey P. Dale, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Range[400], GCD[#, 2^#-2]!=FactorInteger[#][[1, 1]]&] (* Harvey P. Dale, Dec 14 2015 *) CROSSREFS Cf. A159353, A032742. Sequence in context: A214470 A055576 A281916 * A260637 A143186 A101421 Adjacent sequences:  A146074 A146075 A146076 * A146078 A146079 A146080 KEYWORD nonn AUTHOR Ray Chandler, Apr 11 2009 EXTENSIONS Extended by Ray Chandler, Apr 11 2009 STATUS approved

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Last modified May 27 21:52 EDT 2020. Contains 334671 sequences. (Running on oeis4.)