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Wisteria sinensis
on 5 Oct 2021
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f = zeros(2000,1);
for i=1:2000
p = num2str(i);
f(i) = i - prod(p(p~='0')-'0');
end
plot(f,'o','markerfacecolor',[0.75 0.25 1],'color',[0.75 0.25 1],'markersize',4);