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A102458 Numbers n with A102457(n) != lpf(n-1) (lpf = least prime factor). 2

%I

%S 2,152,158,338,368,380,524,542,548,608,614,662,674,692,998,1052,1094,

%T 1110,1154,1182,1202,1238,1292,1322,1328,1472,1532,1544,1598,1622,

%U 1628,1664,1862,1934,1952,2018,2030,2084,2132,2240,2340,2342,2352,2468,2474

%N Numbers n with A102457(n) != lpf(n-1) (lpf = least prime factor).

%Y Cf. A102457, A102459.

%K nonn

%O 1,1

%A _David W. Wilson_, Jan 09 2005

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Last modified October 22 05:36 EDT 2021. Contains 348160 sequences. (Running on oeis4.)