Search: id:A083689
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%I A083689
%S A083689 2,19,24,35,40,41,42,43,73,90,125,135,180,188,209,216,217,236,241,242,
%T A083689 267,280,304,308,321,334,343,402,409,411,436,472,475,485,487,497,572,
%U A083689 624,635,637,647,669,689,713,751,807,844,857,902,913,930,934,947,956
%N A083689 Numbers n such that the sum of the factorials of the digits of n! is 
               prime.
%e A083689 a(2)=19 because 19! = 121645100408832000
%e A083689 and 1!+2!+1!+6!+4!+5!+1!+0!+0!+4!+0!+8!+8!+3!+2!+0!+0!+0! = 81547 a prime.
%Y A083689 Sequence in context: A018696 A004023 A031030 this_sequence A102617 A120276 
               A006962
%Y A083689 Adjacent sequences: A083686 A083687 A083688 this_sequence A083690 A083691 
               A083692
%K A083689 base,nonn
%O A083689 1,1
%A A083689 Jason Earls (zevi_35711(AT)yahoo.com), Jun 15 2003

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