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A140487 Trajectory of 3 under repeated application of the map: n -> n + second-smallest number that does not divide n. 0
3, 7, 10, 14, 18, 23, 26, 30, 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; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..58.

MATHEMATICA

a = {3, 7}; Do[AppendTo[a, a[[ -1]] + Select[Range[a[[ -1]]], Mod[a[[ -1]], # ] > 0 &][[2]]], {60}]; a (* Stefan Steinerberger, Jul 01 2008 *)

CROSSREFS

Cf. A140485-A140489.

Sequence in context: A172323 A190080 A184812 * A224880 A043722 A288175

Adjacent sequences:  A140484 A140485 A140486 * A140488 A140489 A140490

KEYWORD

nonn

AUTHOR

Eric Angelini, Jun 25 2008

EXTENSIONS

More terms from Stefan Steinerberger, Jul 01 2008

STATUS

approved

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Last modified September 26 15:27 EDT 2017. Contains 292531 sequences.