Search: id:A107762
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%I A107762
%S A107762 1,2,6,24,60,432,3360,6912,86400,1080000,3432000,57542400,601810560,
%T A107762 3374784000,71391196800,1506917744640,8134703216640,87731370397440,
%U A107762 2330058011258880,15991083879321600,484342868413071360
%N A107762 Number of permutations of (1,3,5,7,9,...,2n-1) in which every pair of 
               adjacent numbers as well as the first and the last entries are relatively 
               prime.
%C A107762 Odd analogue of A102381. Equals n*A107763(n).
%Y A107762 Cf. A076220, A086595, A102381, A107761, A107763.
%Y A107762 Sequence in context: A104114 A118038 A022917 this_sequence A027562 A096259 
               A087645
%Y A107762 Adjacent sequences: A107759 A107760 A107761 this_sequence A107763 A107764 
               A107765
%K A107762 nonn
%O A107762 1,2
%A A107762 Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 11 2005
%E A107762 More terms from Max Alekseyev (maxale(AT)gmail.com), Jun 11 2005

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