id:A140488 - OEIS Search Results

Search: id:A140488

Displaying 1-1 of 1 results found.

page 1

Trajectory of 5 under repeated application of the map: n -> n + second-smallest number that does not divide n.

+0
2

5, 8, 13, 16, 21, 25, 28, 33, 37, 40, 46, 50, 54, 59, 62, 66, 71, 74, 78, 83, 86, 90, 97, 100, 106, 110, 114, 119, 122, 126, 131, 134, 138, 143, 146, 150, 157, 160, 166, 170, 174, 179, 182, 186, 191, 194, 198, 203, 206, 210, 218, 222, 227, 230, 234, 239, 242, 246 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`a = {5}; Do[AppendTo[a, a[[ -1]] + Select[Range[a[[ -1]]], Mod[a[[ -1]], # ] > 0 &][[2]]], {60}]; a - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jul 01 2008`
	CROSSREFS	`Cf. A140485-A140489.` `Sequence in context: A030606 A090661 A047615 this_sequence A058240 A097268 A003653` `Adjacent sequences: A140485 A140486 A140487 this_sequence A140489 A140490 A140491`
	KEYWORD	`nonn`
	AUTHOR	`Eric Angelini (Eric.Angelini(AT)kntv.be), Jun 25 2008`
	EXTENSIONS	`Corrected and extended by Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jul 01 2008`

page 1

Search completed in 0.002 seconds

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research