Search: id:A066358
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%I A066358
%S A066358 1,3,3,6,120,2629976731200
%N A066358 Recurring permutations: a(n) = P(a(n-1),a(n-2)) where P(x,y) = x!/(x-y)!.
%Y A066358 Cf. A049022, A019437.
%Y A066358 Sequence in context: A147836 A019235 A103895 this_sequence A114187 A118031 
               A059527
%Y A066358 Adjacent sequences: A066355 A066356 A066357 this_sequence A066359 A066360 
               A066361
%K A066358 easy,nonn
%O A066358 0,2
%A A066358 Floor van Lamoen (fvlamoen(AT)hotmail.com), Dec 20 2001

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