id:A050421 - OEIS Search Results

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Numbers for which in base 2 the least number of digits that can be removed to leave a palindrome (possibly beginning with 0) is 2.

+0
1

12, 20, 24, 26, 28, 38, 39, 40, 44, 48, 50, 57, 58, 60, 68, 70, 71, 72, 74, 75, 78, 79, 80, 84, 86, 87, 92, 96, 98, 100, 105, 106, 108, 110, 113, 117, 118, 121, 122, 124, 132, 134, 135, 138, 139, 140, 141, 144, 152, 154, 155, 158, 159 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`(20 base 2) = 101000 -> 0000.`
	CROSSREFS	`Sequence in context: A038528 A052020 A075078 this_sequence A065201 A136724 A112769` `Adjacent sequences: A050418 A050419 A050420 this_sequence A050422 A050423 A050424`
	KEYWORD	`nonn,base`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research