Search: id:A151638
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%I A151638
%S A151638 0,243,12750255,40396577931,41106807537048,22745757394235250
%N A151638 Number of permutations of 3 indistinguishable copies of 1..n with exactly 
               8 adjacent element pairs in decreasing order.
%Y A151638 Sequence in context: A017429 A017561 A164657 this_sequence A051002 A044987 
               A031786
%Y A151638 Adjacent sequences: A151635 A151636 A151637 this_sequence A151639 A151640 
               A151641
%K A151638 nonn
%O A151638 3,2
%A A151638 Ron Hardin (rhhardin(AT)att.net) May 29 2009

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