Search: id:A135417
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%I A135417
%S A135417 1,0,8,56,252,784,1792,3108,4166,4352,3544,2232,1068,376,92,14,1
%N A135417 Number of mountain numbers (see A134941) with n digits.
%C A135417 The total number is 21846.
%Y A135417 Sequence in context: A044146 A118772 A003210 this_sequence A068552 A034006 
               A081626
%Y A135417 Adjacent sequences: A135414 A135415 A135416 this_sequence A135418 A135419 
               A135420
%K A135417 base,nonn,fini,full
%O A135417 1,3
%A A135417 Suggested by Jonathan Vos Post, Nov 24 2007 and computed by Hans Havermann 
               and Joshua Zucker, Nov 25 2007

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