OFFSET
1,2
COMMENTS
A cycle is called primitive if its elements are not a common multiple of the elements of another cycle.
The 3x+k function T_k is defined by T_k(x) = x/2 if x is even, (3x+k)/2 if x is odd, where k is odd.
For primitive cycles, GCD(k,6)=1.
LINKS
Geoffrey H. Morley, Rows 2..26 of array, flattened
EXAMPLE
The irregular array starts:
1;
5;
13;
29;
11, 61;
17, 125; ...
Row 1 is empty.
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Geoffrey H. Morley, Jul 02 2013
STATUS
approved