%I A007800
%S A007800 1,2,4,8,16,31,59,111,207,384,710,1310,2414,4445,8181,15053,27693,50942,
%T A007800 93704,172356,317020,583099,1072495,1972635,3628251,6673404,12274314,
%U A007800 22575994,41523738,76374073,140473833,258371673,475219609,874065146
%N A007800 From a problem in AI planning: a(n) = 4+a(n-1)+a(n-2)+a(n-3)+a(n-4)-a(n-5)-a(n-6)-a(n-7), 
               n>7.
%Y A007800 Cf. A062544.
%Y A007800 Sequence in context: A133552 A000128 A106399 this_sequence A102726 A118891 
               A107066
%Y A007800 Adjacent sequences: A007797 A007798 A007799 this_sequence A007801 A007802 
               A007803
%K A007800 nonn
%O A007800 1,2
%A A007800 Peter Jonsson [ petej(AT)ida.liu.se ]