Search: id:A135208
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%I A135208
%S A135208 1,1,2,3,4,5,6,7,8,9,1,2,12,16,12,14,21,14,27,29,29,24,21,16,18,29,29,
%T A135208 36,30,18,21,22,23,24,25,26,18,22,24,24,33,42,37,46,50,27,23,33,21,19,
%U A135208 37,48,52,26,36,33,36,60,36,42,28,42,37,36,43,42,51,60,33,46,49,64,45
%N A135208 a(n)=Sum_digits{C(n,Sum_digits[a(n-1)]}, with a(0)=1.
%p A135208 P:=proc(n) local a,i,k,w; a:=1; print(a); for i from 1 by 1 to n do w:=0; 
               k:=a; while k>0 do w:=w+k-(trunc(k/10)*10); k:=trunc(k/10); od; k:=binomial(i,
               w); w:=0; while k>0 do w:=w+k-(trunc(k/10)*10); k:=trunc(k/10); od; 
               a:=w; print(w); od; end: P(100);
%Y A135208 Cf. A128936, A129630, A129631, A130843.
%Y A135208 Sequence in context: A114570 A115026 A101337 this_sequence A156207 A061486 
               A138470
%Y A135208 Adjacent sequences: A135205 A135206 A135207 this_sequence A135209 A135210 
               A135211
%K A135208 easy,nonn
%O A135208 0,3
%A A135208 Paolo P. Lava (ppl(AT)spl.at), Dec 03 2007

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