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 A100306 Numbers for which the values of the Moebius function (A008683) and the Mertens function (A002321) agree. 4
 1, 3, 40, 41, 59, 66, 94, 102, 146, 150, 151, 160, 161, 164, 165, 167, 215, 232, 233, 236, 237, 239, 255, 330, 332, 333, 334, 354, 356, 357, 359, 363, 364, 365, 367, 394, 402, 404, 405, 406, 408, 409, 414, 415, 420, 421, 423, 424, 425, 426, 428, 429, 538, 542 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Donovan Johnson, Table of n, a(n) for n = 1..10000 PrimeFan, Esoteric Integer Sequences MAPLE with(numtheory): p:=proc(n) if mobius(n)=sum(mobius(k), k=1..n) then n else fi end: seq(p(n), n=1..700); # Emeric Deutsch, Feb 14 2005 MATHEMATICA Select[Range[500], Plus @@ MoebiusMu[Range[#]] == MoebiusMu[#] &] (* Carl Najafi, Aug 17 2011 *) PROG (PARI) s=0; for(n=1, 1e4, s+=t=moebius(n); if(t==s, print1(n", "))) \\ Charles R Greathouse IV, Jan 28 2014 CROSSREFS Cf. A100765, A100766, A100767. Sequence in context: A196159 A084186 A037104 * A101014 A262036 A041347 Adjacent sequences:  A100303 A100304 A100305 * A100307 A100308 A100309 KEYWORD nonn AUTHOR N. J. A. Sloane, Dec 30 2004 EXTENSIONS More terms from Emeric Deutsch, Feb 14 2005 STATUS approved

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Last modified July 26 13:40 EDT 2021. Contains 346294 sequences. (Running on oeis4.)