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%I #5 May 20 2018 11:30:13
%S 0,1,1,2,3,1,5,2,3,6,2,2,3,12,5,9,9,1,7,5,8,8,20,16,4,13,25,22,11,2,
%T 18,18,23,27,33,29,27,23,3,37,32,32,22,37,37,41,41,20,19,33,1,50,17,
%U 52,38,6,5,13,23,55,25,23,8,62,47,20,19,2,27,37,57,55
%N a(n) is the numerator of the smallest nonnegative fraction r such that round(10^d*r) = n, where d is the number of digits of n and Gaussian rounding (round half to even) is applied.
%p # Function r is defined in A304879.
%p a := n -> numer(r(n)):
%p seq(a(n), n = 0..71);
%Y Cf. A304879.
%K nonn,frac
%O 0,4
%A _Peter Luschny_, May 20 2018
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