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A161021 Collatz trajectory starting at 703. 8
703, 2110, 1055, 3166, 1583, 4750, 2375, 7126, 3563, 10690, 5345, 16036, 8018, 4009, 12028, 6014, 3007, 9022, 4511, 13534, 6767, 20302, 10151, 30454, 15227, 45682, 22841, 68524, 34262, 17131, 51394, 25697, 77092, 38546, 19273, 57820, 28910 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

703 = A060412(5); a(A006577(703)) = a(170) = 1;

a(n) = A008884(n-59) for n with 162 <= n <= 170;

a(n) = A161022(n+53) for n with 155 <= n <= 170;

a(n) = A161023(n+153) for n with 144 <= n <= 170.

LINKS

R. Zumkeller, Table of n, a(n) for n = 0..170 (full sequence)

Index entries for sequences related to 3x+1 (or Collatz) problem

MATHEMATICA

NestList[If[EvenQ[#], #/2, 3#+1]&, 703, 40] (* Harvey P. Dale, Nov 27 2011 *)

CROSSREFS

Sequence in context: A214486 A045146 A083735 * A283521 A257721 A253396

Adjacent sequences:  A161018 A161019 A161020 * A161022 A161023 A161024

KEYWORD

fini,full,nonn

AUTHOR

Reinhard Zumkeller, Jun 03 2009

STATUS

approved

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Last modified September 25 21:33 EDT 2017. Contains 292500 sequences.