id:A108780 - OEIS Search Results

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Numbers n such that (n / sum of digits of n) is a golden semiprime.

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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; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(3)=1122 because 1122/6=187 and 187=1117 and 11phi-17 = 0.798373... < 1.`
	CROSSREFS	`Cf. A001101, A108540.` `Sequence in context: A044622 A044305 A044686 this_sequence A057396 A044386 A044767` `Adjacent sequences: A108777 A108778 A108779 this_sequence A108781 A108782 A108783`
	KEYWORD	`base,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jun 26 2005`

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Last modified December 20 16:13 EST 2009. Contains 171081 sequences.

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