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A304880
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.
1
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, 18, 18, 23, 27, 33, 29, 27, 23, 3, 37, 32, 32, 22, 37, 37, 41, 41, 20, 19, 33, 1, 50, 17, 52, 38, 6, 5, 13, 23, 55, 25, 23, 8, 62, 47, 20, 19, 2, 27, 37, 57, 55
OFFSET
0,4
MAPLE
# Function r is defined in A304879.
a := n -> numer(r(n)):
seq(a(n), n = 0..71);
CROSSREFS
Cf. A304879.
Sequence in context: A247469 A346872 A075014 * A086686 A361614 A306807
KEYWORD
nonn,frac
AUTHOR
Peter Luschny, May 20 2018
STATUS
approved