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Numbers that are not the product of consecutive primes.
6

%I #15 Jul 13 2013 12:04:13

%S 4,8,9,10,12,14,16,18,20,21,22,24,25,26,27,28,32,33,34,36,38,39,40,42,

%T 44,45,46,48,49,50,51,52,54,55,56,57,58,60,62,63,64,65,66,68,69,70,72,

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

%N Numbers that are not the product of consecutive primes.

%C A192280(a(n)) = 0: complement of A073485.

%C Union of A013929 and A073486.

%H Reinhard Zumkeller, <a href="/A193166/b193166.txt">Table of n, a(n) for n = 1..10000</a>

%o (Haskell)

%o a193166 n = a193166_list !! (n-1)

%o a193166_list = filter ((== 0) . a192280) [1..]

%o -- _Reinhard Zumkeller_, May 28 2012, Aug 26 2011

%Y Cf. A025475.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Aug 26 2011