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 A100767 Numbers for which the values of the Moebius function (A008683) and the Mertens function (A002321) are both 1. 4
 1, 94, 146, 161, 215, 237, 330, 334, 365, 394, 415, 538, 542, 794, 799, 813, 815, 851, 870, 878, 899, 905, 914, 917, 921, 1003, 1006, 1011, 1257, 1262, 1267, 1271, 1286, 1290, 1293, 1330, 1337, 1339, 1343, 1522, 1529, 1538, 1858, 1865, 1939, 2018, 2098 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS This sequence is a subsequence of A100306, Numbers for which the values of the Moebius function and the Mertens function agree. LINKS Donovan Johnson, Table of n, a(n) for n = 1..10000 PrimeFan, Esoteric Integer Sequences MATHEMATICA (* If not already defined *) If[Names["Mertens"] == {}, Mertens[x_] := Plus @@ MoebiusMu[Range[1, x]]]; Select[Range[2500], MoebiusMu[ # ] == 1 && Mertens[ # ] == 1 &] CROSSREFS Cf. A100306, A100765, A100766. Sequence in context: A257525 A020355 A039551 * A050208 A035117 A096755 Adjacent sequences:  A100764 A100765 A100766 * A100768 A100769 A100770 KEYWORD nonn,changed AUTHOR Alonso del Arte, Jan 03 2005 EXTENSIONS Offset corrected by Donovan Johnson, Jun 19 2012 STATUS approved

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Last modified May 16 12:30 EDT 2021. Contains 343947 sequences. (Running on oeis4.)