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A108780 Numbers n such that (n / sum of digits of n) is a golden semiprime. 1
54, 135, 1122, 1386, 2244, 2805, 3366, 3927, 4488, 5301, 12369, 15318, 20445, 22977, 24534, 28623, 44979, 58941, 74169, 78588, 98892, 131454, 153363, 175272, 197181, 210693, 213206, 222132, 240792, 240999, 270891, 274122, 304580, 335038, 350267 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..35.

EXAMPLE

a(3)=1122 because 1122/6=187 and 187=11*17 and 11*phi-17 = 0.798373... < 1.

CROSSREFS

Cf. A001101, A108540.

Sequence in context: A184067 A044305 A044686 * A057396 A286836 A304172

Adjacent sequences:  A108777 A108778 A108779 * A108781 A108782 A108783

KEYWORD

base,nonn

AUTHOR

Jason Earls, Jun 26 2005

STATUS

approved

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Last modified May 23 03:04 EDT 2019. Contains 323507 sequences. (Running on oeis4.)