%I A055776
%S A055776 0,1,4,85,621436,239988219843053389,
%T A055776 13821964488793901254190711941736196403535171578341580
%N A055776 a(n)=a(n-1)^3+a(n-1)^2+a(n-1)+1.
%F A055776 a(n) is asymptotic to c^(3^n) - 1/3 where c=1.056431004248312118265251254776175173104598976924006344252579493\
               163876246969557582... - Gerald McGarvey (gerald.mcgarvey(AT)comcast.net), 
               Dec 08 2007
%e A055776 a(3)=4^3+4^2+4+1=64+16+4+1=85
%o A055776 (PARI) a=vector(6);a[1]=1;print1("0, 1, ");for(n=2,6,a[n]=a[n-1]^3+a[n-1]^2+a[n-1]+1;
               print1(a[n],", ")) - Gerald McGarvey (gerald.mcgarvey(AT)comcast.net), 
               Dec 08 2007
%Y A055776 Cf. A002065.
%Y A055776 Sequence in context: A015018 A059830 A116330 this_sequence A055591 A055764 
               A163279
%Y A055776 Adjacent sequences: A055773 A055774 A055775 this_sequence A055777 A055778 
               A055779
%K A055776 nonn
%O A055776 0,3
%A A055776 Henry Bottomley (se16(AT)btinternet.com), Jul 12 2000
%E A055776 Next term is too big to include.