Search: id:A147934
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%I A147934
%S A147934 1,2,6,24,74,312,1620,7876,41114,262142,1640026,10906856,84761678,
%T A147934 627751836,5070873342,46757075664
%N A147934 Number of permutations of floor(i*4/3), i=0..n-1, with all sums of 2 
               through 4 adjacent terms respectively unique.
%Y A147934 Sequence in context: A087645 A107761 A147943 this_sequence A147925 A147917 
               A147946
%Y A147934 Adjacent sequences: A147931 A147932 A147933 this_sequence A147935 A147936 
               A147937
%K A147934 nonn
%O A147934 1,2
%A A147934 Ron Hardin (rhhardin(AT)att.net) Nov 17 2008

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