id:A124626 - OEIS Search Results

Search: id:A124626

Displaying 1-1 of 1 results found.

page 1

Abundant evil numbers. (Abundant numbers that have an even number of ones in their binary representation).

+0
1

12, 18, 20, 24, 30, 36, 40, 48, 54, 60, 66, 72, 78, 80, 90, 96, 102, 108, 114, 120, 126, 132, 144, 150, 156, 160, 180, 192, 198, 204, 210, 216, 222, 228, 240, 246, 252, 258, 260, 264, 270, 272, 282, 288, 294, 300, 306, 308, 312, 318, 320, 330, 340, 350, 354 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[Range[500], EvenQ[Plus @@ IntegerDigits[ #, 2]] && DivisorSigma[1, # ] > 2# &]`
	CROSSREFS	`Intersection of A005101 (abundant numbers) and A001969 (evil numbers).` `Sequence in context: A123711 A059404 A005101 this_sequence A087245 A153501 A030515` `Adjacent sequences: A124623 A124624 A124625 this_sequence A124627 A124628 A124629`
	KEYWORD	`nonn,base`
	AUTHOR	`Tanya Khovanova (tanyakh(AT)yahoo.com), Dec 27 2006, Jun 23 2007`

page 1

Search completed in 0.002 seconds

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research