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A174896 a(n) = numbers k in increasing order such that A007955(m) = k has no solution for any m, where A007955(m) = product of divisors of m. 2

%I #5 Sep 18 2013 02:56:49

%S 4,6,9,10,12,14,15,16,18,20,21,22,24,25,26,28,30,32,33,34,35,38,39,40,

%T 42,44,45,46,48,49,50,51,52,54,55,56,57,58,60,62,63,65,66,68,69,70,72,

%U 74,75,76,77,78,80,81,82,84,85,86,87,88,90,91,92,93,94,95

%N a(n) = numbers k in increasing order such that A007955(m) = k has no solution for any m, where A007955(m) = product of divisors of m.

%C Complement of A174895(n). A174897(a(n)) = 0, A174898(a(n)) = 1.

%K nonn

%O 1,1

%A _Jaroslav Krizek_, Apr 01 2010

%E More terms from _Michel Marcus_, Sep 18 2013

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Last modified May 15 01:31 EDT 2024. Contains 372536 sequences. (Running on oeis4.)