

A065758


Numbers n divided by n  phi(n) in approximately the golden ratio, i.e., n such that for some r, n is an rdigit minimizer of abs(k / (k  EulerPhi(k))  (golden ratio phi)).


0



6, 10, 20, 40, 50, 80, 230, 460, 920, 5278, 10556, 21112, 36946, 42224, 68614, 73892, 84448, 136390, 272780, 545560, 681950, 6718090, 10635086, 21270172, 42540344, 74445602, 85080688, 478006930, 956013860
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OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

abs(10/(10phi(10))) = 0.0486237 (approximately) is minimal for 2digit numbers. abs(460/(460phi(460))) = 0.00168432 (approximately) is minimal for 3digit numbers.


CROSSREFS



KEYWORD

nonn,more


AUTHOR



EXTENSIONS



STATUS

approved



