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 A153580 Terms of A083737 which are not Carmichael numbers (A002997). 3
 721801, 873181, 4504501, 8646121, 9006401, 9863461, 10403641, 12322133, 14609401, 15913261, 18595801, 18736381, 20234341, 21397381, 22066201, 22369621, 22885129, 25326001, 25696133, 28312921, 36307981, 42702661 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MATHEMATICA Select[Range[5*10^7], ! PrimeQ[ # ] && PowerMod[2, # - 1, # ] == 1 && PowerMod[3, # - 1, # ] == 1 && PowerMod[5, # - 1, # ] == 1 && Mod[ #, CarmichaelLambda[ # ]] != 1 &] (* Ray Chandler *) CROSSREFS Cf. A002997, A083737, A122780, A153508, A153513, A153514, A153515, A153519, A153581. Sequence in context: A250372 A015346 A190932 * A153581 A100383 A250153 Adjacent sequences:  A153577 A153578 A153579 * A153581 A153582 A153583 KEYWORD nonn AUTHOR Ray Chandler & Artur Jasinski, Dec 28 2008 STATUS approved

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Last modified April 22 08:56 EDT 2019. Contains 322329 sequences. (Running on oeis4.)