id:A125756 - OEIS Search Results

Search: id:A125756

Displaying 1-1 of 1 results found.

page 1

Numbers n whose reverse binary representation has the following property: let a 0 mean "halving" and a 1 mean "k -> 3k+1". The number describes an operation k -> f_n(k). If the equation f_n(k) = k has a positive integer solution, n is a term in the sequence.

+0
4

4, 36, 140, 145, 200, 292, 1059, 1136, 1553, 1800, 2340, 4150, 4274, 4297, 4308, 4389, 4433, 4490, 4634, 4696, 4705, 4741, 4804, 4876, 5133, 5164, 5218, 5254, 5400, 5409, 5668, 5712, 5761, 6244, 6290, 6312, 6448, 6466, 6662, 6800, 6976 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Suggested by A125626.` `Note that f_n(x) is always a linear function of x.`
	LINKS	`David Applegate, Table of n, a(n) for n = 1..60`
	CROSSREFS	`Cf. A125626, A125755, A125754, A125757, A125710, A125711.` `Sequence in context: A072109 A045490 A060783 this_sequence A035287 A083223 A102263` `Adjacent sequences: A125753 A125754 A125755 this_sequence A125757 A125758 A125759`
	KEYWORD	`nonn`
	AUTHOR	`David Applegate (david(AT)research.att.com), Feb 02 2007`

page 1

Search completed in 0.002 seconds

Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research