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A071887 Conjectured values of n whose trajectory under map x -> A002487(x)*A002487(x+1) does not go into a cycle. 3
37, 38, 41, 54, 57, 58 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Why isn't 42 in this list? It does not enter a cycle in under 100 iterations which is as far as I could check. [Sean A. Irvine, Oct 05 2011]

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Cf. A002487, A070871, A071884, A071885, A071886.

Sequence in context: A190839 A185698 A043611 * A168143 A111043 A041683

Adjacent sequences:  A071884 A071885 A071886 * A071888 A071889 A071890

KEYWORD

nonn,more

AUTHOR

J. H. Conway, Jun 10 2002

STATUS

approved

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Last modified December 4 17:26 EST 2016. Contains 278755 sequences.