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A155111 Odd numbers k such that composite(k) is odd. 0

%I #9 Feb 10 2019 13:26:46

%S 15,17,21,23,33,35,49,53,55,61,63,73,77,81,97,121,123,129,131,165,167,

%T 169,171,173,183,185,189,191,193,195,203,205,219,223,225,227,229,245,

%U 249,265,267,283,285,295,297,305,313,315,317,323,325,327,355,363,365

%N Odd numbers k such that composite(k) is odd.

%Y Cf. A000027, A002808.

%K nonn,less

%O 1,1

%A _Juri-Stepan Gerasimov_, Jan 20 2009

%E Edited by _N. J. A. Sloane_, Jan 30 2009

%E Corrected (363 inserted) by _R. J. Mathar_, May 10 2010

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)