%I A078433
%S A078433 0,2,2,10,30,124,992,5700,39844
%N A078433 Number of permutations p of 1,2,...,n such that the numerator of the 
               continued fraction [p(1); p(2),...,p(n)] is prime.
%Y A078433 Cf. A078432, A078431.
%Y A078433 Sequence in context: A102345 A151364 A001885 this_sequence A059494 A052647 
               A032034
%Y A078433 Adjacent sequences: A078430 A078431 A078432 this_sequence A078434 A078435 
               A078436
%K A078433 more,nonn
%O A078433 1,2
%A A078433 Reiner Martin (reinermartin(AT)hotmail.com), Dec 30 2002