%I A067607
%S A067607 1,1,1,3,20,2,35,455,5804,73232
%N A067607 Number of pancake stacks requiring a maximum number of flips to order.
%H A067607 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PancakeSorting.html">PancakeSorting</a>
%Y A067607 Cf. A058986.
%Y A067607 Sequence in context: A120563 A164063 A117844 this_sequence A013332 A063871 
               A084316
%Y A067607 Adjacent sequences: A067604 A067605 A067606 this_sequence A067608 A067609 
               A067610
%K A067607 nonn
%O A067607 1,4
%A A067607 Eric Weisstein (eric(AT)weisstein.com)
%E A067607 Corrected and extended by Rob Pratt (Rob.Pratt(AT)sas.com), Feb 21 2004