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Numbers that are not the product of factorials.
5

%I #11 Jun 14 2015 06:19:48

%S 3,5,7,9,10,11,13,14,15,17,18,19,20,21,22,23,25,26,27,28,29,30,31,33,

%T 34,35,37,38,39,40,41,42,43,44,45,46,47,49,50,51,52,53,54,55,56,57,58,

%U 59,60,61,62,63,65,66,67,68,69,70,71,73,74,75,76,77,78,79,80,81,82,83

%N Numbers that are not the product of factorials.

%C Complement of A001013.

%H <a href="/index/Fa#factorial">Index entries for sequences related to factorial numbers</a>.

%e Odd primes and their powers are subsequences.

%Y Cf. A000142, A001013.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Apr 28 2004