%I A152840
%S A152840 1,0,4,14197
%V A152840 -1,0,4,-14197
%N A152840 a(0)=1; a(n)=n^(n+a(n-1))-a(n-1)^(n+a(n-1)).
%t A152840 lst={};a=1;Do[a=n^(n+a)-a^(n+a);AppendTo[lst,a],{n,0,3}];lst
%Y A152840 Cf. A084964, A152832, A152833, A152835, A152836, A152837, A152838, A152839
%Y A152840 Sequence in context: A058417 A151587 A134368 this_sequence A003832 A162703 
               A070157
%Y A152840 Adjacent sequences: A152837 A152838 A152839 this_sequence A152841 A152842 
               A152843
%K A152840 sign
%O A152840 0,3
%A A152840 Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 14 2008
%E A152840 Indices added to definition, offset corrected - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Jan 08 2009