%I A131267
%S A131267 1,2,5,12,35,97,300,886,2884,9038,30119,97044,330178,1093187,3760857,
%T A131267 12642484,44030988,150422819,527900140,1820782288,6438077940,
%U A131267 22426049665,79685359338,279367999565,997882736275,3522643337418
%N A131267 Self-generated: 1=1*1; 2=1*1+1*1; 5=1*2+2*1+1*1; 12=1*5+2*2+2*1+1*1; 
               35=1*12+2*5+5*2+2*1+1*1; 97=1*35+2*12+5*5+5*2+2*1+1*1; ...
%p A131267 A131267 := proc(n) option remember ; local a,i ; if n <=0 then RETURN(1) 
               ; else a :=0 ; for i from 0 to n do a := a+ A131267( min(i,n-i))*A131267(n-i-1) 
               ; od: RETURN(a) ; fi ; end: seq(A131267(n),n=0..30) ; - R. J. Mathar 
               (mathar(AT)strw.leidenuniv.nl), Oct 25 2007
%Y A131267 Sequence in context: A131467 A000103 A101292 this_sequence A148286 A075202 
               A075203
%Y A131267 Adjacent sequences: A131264 A131265 A131266 this_sequence A131268 A131269 
               A131270
%K A131267 nonn
%O A131267 0,2
%A A131267 Paul Curtz (bpcrtz(AT)free.fr), Sep 28 2007
%E A131267 More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 25 2007