id:A081883 - OEIS Search Results

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Numbers n such that the number of steps needed to reach an integer starting with n-1/4 or n+1/4 and iterating the map x-->x*ceiling(x) is the same.

+0
1

5, 9, 21, 37, 46, 49, 53, 69, 85, 101, 113, 117, 121, 133, 137, 149, 165, 174, 177, 181, 197, 213, 217, 229, 241, 245, 261, 265, 277, 293, 302, 305, 309, 313, 325, 341, 357, 369, 373, 389, 393, 405, 421, 430, 433, 437, 441, 453, 469, 485, 497, 501, 517, 521 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A068119.` `Sequence in context: A068481 A146827 A147018 this_sequence A049744 A000323 A146131` `Adjacent sequences: A081880 A081881 A081882 this_sequence A081884 A081885 A081886`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 13 2003`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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