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.

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

Links

Table of n, a(n) for n=0..71.

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

Adjacent sequences: A304877 A304878 A304879 * A304881 A304882 A304883

Keyword

nonn,frac

Author

Peter Luschny, May 20 2018

Status

approved