id:A008884 - OEIS Search Results

Search: id:A008884

Displaying 1-1 of 1 results found.

page 1

3x+1 sequence starting at 27.

+0
2

27, 82, 41, 124, 62, 31, 94, 47, 142, 71, 214, 107, 322, 161, 484, 242, 121, 364, 182, 91, 274, 137, 412, 206, 103, 310, 155, 466, 233, 700, 350, 175, 526, 263, 790, 395, 1186, 593, 1780, 890, 445, 1336, 668, 334, 167, 502, 251, 754, 377, 1132, 566, 283, 850, 425, 1276, 638, 319, 958, 479, 1438, 719, 2158, 1079 (list; graph; listen)

	OFFSET	`0,1`
	REFERENCES	`R. K. Guy, Unsolved Problems in Number Theory, E16.` `H.-O. Peitgen et al., Chaos and Fractals, Springer, p. 33.`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..111` `Index entries for sequences related to 3x+1 (or Collatz) problem`
	MAPLE	`f := proc(n) option remember; if n = 0 then 27; elif f(n-1) mod 2 = 0 then f(n-1)/2 else 3*f(n-1)+1; fi; end;`
	CROSSREFS	`Adjacent sequences: A008881 A008882 A008883 this_sequence A008885 A008886 A008887` `Sequence in context: A129254 A034033 A057609 this_sequence A031455 A045004 A042432`
	KEYWORD	`nonn,nice`
	AUTHOR	`njas`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org), Apr 27 2001`

page 1

Search completed in 0.002 seconds

Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research