Search: id:A051593
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%I A051593
%S A051593 1,1,1,3,3,5,5,7,15,15,21,21,35,35,60,105,105,105,140,210,210,420,420,
%T A051593 420,420,840,1155,1260,1365,1540,2310,2520,4620,4620,5460,5460,9240,
%U A051593 9240,13860,15015,16380,16380,27720,30030,32760,60060,60060,60060
%N A051593 Largest order of even permutation of n elements, or maximal order of 
               element of alternating group A_n.
%D A051593 J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, 
               ATLAS of Finite Groups. Oxford Univ. Press, 1985.
%D A051593 V. Jovovic, Some combinatorial characteristics of symmetric and alternating 
               groups (in Russian), Belgrade, 1980, unpublished.
%F A051593 a(n)=max{ A000793(n-2), A051704(n-1), A051704(n) }, a(0)=a(1)=1.
%Y A051593 Cf. A057742, A057743, A057740, A000793.
%Y A051593 Sequence in context: A092316 A142456 A098508 this_sequence A046200 A063281 
               A117772
%Y A051593 Adjacent sequences: A051590 A051591 A051592 this_sequence A051594 A051595 
               A051596
%K A051593 nonn,nice,easy
%O A051593 0,4
%A A051593 Vladeta Jovovic (vladeta(AT)eunet.rs)

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