|
|
A072147
|
|
Records for the length of the preperiodic part of the 'Reverse and Subtract' trajectories.
|
|
2
|
|
|
0, 1, 2, 6, 7, 12, 13, 18, 25, 40, 45, 47, 48, 49, 55, 56, 60, 62, 63, 64, 66, 71, 72, 75, 78, 81, 106, 108, 111, 112, 114, 115, 119, 121, 122, 130, 132, 133, 135, 147, 148, 149, 151, 156
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
Successive maxima in sequence A072137. A072146 gives the corresponding starting points. - This sequence is a weak analog of A065199, which uses 'Reverse and Add'.
|
|
LINKS
|
|
|
EXAMPLE
|
6 is a record, since the preperiodic part of the trajectory of 13 has length 6 and for k < 13 the preperiodic part has a smaller length (at most 2).
|
|
CROSSREFS
|
|
|
KEYWORD
|
base,more,nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
a(18) inserted, a(25) corrected, a(29) through a(44) added by Alexander Pesch (alex-physics(AT)gmx.net), May 29 2007
|
|
STATUS
|
approved
|
|
|
|