A085009 - OEIS

%I #7 Mar 30 2012 18:39:18

%S 2,0,5,8,9,8,5,0,2,2,0,5,8,9,17,23,27,29,29,27,32,35,36,35,32,27,29,

%T 29,27,23,17,9,8,5,0,2,2,0,5,8,9,8,5,0,2,2,0,5,8,9,17,23,27,29,29,27,

%U 32,35,36,44,50,54,65,74,81,86,89,90,98,104,108,110,110,108,113,116,117,116

%N "Von Koch" sequence generated by {1,1,2}.

%C The graph of the sequence is similar to, for example, A071992

%F a(n)= n+2 + sum(k=1, n, A085008(k))

%Y Cf. A085006, A085007, A085009, A005536 ("Von Koch" sequence generated by {1, 2}).

%K nonn

%O 1,1

%A _Benoit Cloitre_, Jun 17 2003