id:A100290 - OEIS Search Results

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Numbers divisible by smallest number with same number of 1's in its binary expansion. That is, A038573(a(n)) divides a(n).

+0
1

1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 15, 16, 18, 21, 24, 28, 30, 31, 32, 33, 35, 36, 42, 45, 48, 49, 56, 60, 62, 63, 64, 66, 70, 72, 75, 84, 90, 93, 96, 98, 105, 112, 120, 124, 126, 127, 128, 129, 132, 133, 135, 140, 144, 150, 155, 161, 165, 168, 180, 186, 189, 192, 195, 196 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`21 is a member since 21 = 10101 base 2, which is divisible by 7 = 111 base 2.`
	CROSSREFS	`Cf. A038573.` `Sequence in context: A031998 A023759 A004742 this_sequence A050271 A140181 A038032` `Adjacent sequences: A100287 A100288 A100289 this_sequence A100291 A100292 A100293`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Marc LeBrun (mlb(AT)well.com), Nov 11 2004`

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Last modified November 25 14:45 EST 2009. Contains 167481 sequences.

AT&T Labs Research