id:A117304 - OEIS Search Results

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Numbers with an even number of digits such that the second half is twice the first half.

+0
1

12, 24, 36, 48, 1020, 1122, 1224, 1326, 1428, 1530, 1632, 1734, 1836, 1938, 2040, 2142, 2244, 2346, 2448, 2550, 2652, 2754, 2856, 2958, 3060, 3162, 3264, 3366, 3468, 3570, 3672, 3774, 3876, 3978, 4080, 4182, 4284, 4386, 4488, 4590, 4692, 4794, 4896 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`1020 is in the sequence because 20=2*10`
	CROSSREFS	`Sequence in context: A141766 A069056 A019550 this_sequence A022759 A091193 A098242` `Adjacent sequences: A117301 A117302 A117303 this_sequence A117305 A117306 A117307`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), Apr 26 2006`

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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.

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