id:A093705 - OEIS Search Results

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Numbers that are divisible by the total number of 1's in the binary expansions of all their divisors.

+0
1

1, 2, 3, 6, 8, 24, 27, 45, 49, 54, 55, 77, 90, 98, 108, 110, 128, 154, 180, 189, 209, 216, 299, 324, 360, 378, 384, 392, 418, 425, 440, 448, 598, 616, 689, 765, 783, 850, 855, 864, 880, 891, 896, 931, 972, 1023, 1040, 1056, 1160, 1188, 1200, 1209, 1215, 1378 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(5)=8 because the divisors of 8 in binary are: 1, 10, 100, 1000, with four 1's and 8/4=2.`
	CROSSREFS	`Sequence in context: A072847 A095895 A051934 this_sequence A103964 A088329 A087494` `Adjacent sequences: A093702 A093703 A093704 this_sequence A093706 A093707 A093708`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), May 17 2004`

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Last modified September 6 00:03 EDT 2008. Contains 143485 sequences.

AT&T Labs Research