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A153580
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Numbers of A083737 which are neither 1 nor Carmichael numbers A002997
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3
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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; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| Select[Range[5*10^7], ! PrimeQ[ # ] && PowerMod[2, # - 1, # ] == 1 && PowerMod[3, # - 1, # ] == 1 && PowerMod[5, # - 1, # ] == 1 && Mod[ #, CarmichaelLambda[ # ]] != 1 &] (*Ray Chandler*)
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CROSSREFS
| A002997, A083737, A122780, A153508, A153513, A153514, A153515, A153519, A153581
Sequence in context: A204403 A015346 A190932 * A153581 A100383 A204150
Adjacent sequences: A153577 A153578 A153579 * A153581 A153582 A153583
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KEYWORD
| nonn
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AUTHOR
| Ray Chandler & Artur Jasinski (grafix(AT)csl.pl), Dec 28 2008
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