%I A087931
%S A087931 512,3020819005440,2980039854936078219167744
%N A087931 Number of ways of arranging the numbers 1 ... 10n into a 10 X n array 
               so there is exactly one local maximum.
%Y A087931 A row of the array in A087783. Cf. A007846.
%Y A087931 Sequence in context: A017301 A017421 A017553 this_sequence A044879 A015931 
               A060947
%Y A087931 Adjacent sequences: A087928 A087929 A087930 this_sequence A087932 A087933 
               A087934
%K A087931 nonn,bref
%O A087931 1,1
%A A087931 Ron Hardin (rhhardin(AT)att.net), Oct 27 2003