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A145079 Length of cycle of trajectory of n described in A098282, or -1 if no cycle is ever reached. 3
1, 1, 1, 1, 1, 4, 1, 4, 4, 4, 1, 4, 4, 1, 4, 1, 1, 1, 4, 4, 1, 4, 4, 1, 2, 1, 1, 1, 4, 4, 1, 1, 2, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 1, 4, 4, 4, 4, 1, 4, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

COMMENTS

a(52) is currently unknown. - Donovan Johnson

a(40) is probably incorrect and should be 1. (See corrections to A098282 and A144914.)

LINKS

Table of n, a(n) for n=1..51.

CROSSREFS

Cf. A098282, A087712, A145077, A145078, A077960.

Sequence in context: A334487 A327304 A117445 * A196222 A035646 A144034

Adjacent sequences: A145076 A145077 A145078 * A145080 A145081 A145082

KEYWORD

nonn,more,base

AUTHOR

David Applegate and N. J. A. Sloane, Feb 09 2009

EXTENSIONS

a(19)-a(39) from John W. Layman, Mar 12 2010

a(40)-a(51) from Donovan Johnson, Jan 08 2011

STATUS

approved

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Last modified December 5 15:27 EST 2022. Contains 358588 sequences. (Running on oeis4.)