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%I #12 Jul 14 2013 15:22:19
%S 3,4,5,7,9,13,17,22,30,40,53,71,95,126,168,224,299,399,532,710,946,
%T 1261,1682,2242,2990,3986,5315,7087,9449,12599,16799,22399,29865,
%U 39820,53093,70791,94388,125850,167800,223734,298312,397749,530332,707110,942813
%N a(n) = round(3*(4/3)^n).
%C a(n) is the nearest integer of perimeter of Koch snowflake after n-th iterations with the original equilateral triangle has sides length s = 1.
%H Kival Ngaokrajang, <a href="/A227391/a227391.jpg">Illustration for n = 0..5</a>
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Koch_snowflake">Koch snowflake</a>
%t Table[Round[3*(4/3)^n], {n, 0, 50}] (* _T. D. Noe_, Jul 14 2013 *)
%K nonn
%O 0,1
%A _Kival Ngaokrajang_, Jul 10 2013
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