

A226679


Recordbreaking values, for increasing k = A226630(n), of the conjectured number of primitive cycles of positive integers under iteration by the Collatzlike 3xk function.


3




OFFSET

1,1


COMMENTS

A cycle is called primitive if its elements are not a common multiple of the elements of another cycle.
The 3xk function T_k is defined by T_k(x) = x/2 if x is even, (3xk)/2 if x is odd, where k is odd.
For primitive cycles, GCD(k,6)=1.


LINKS

Table of n, a(n) for n=1..7.


CROSSREFS

k = A226680(n).
Cf. A226629, A226663.
Sequence in context: A192212 A148918 A304726 * A216541 A194090 A294385
Adjacent sequences: A226676 A226677 A226678 * A226680 A226681 A226682


KEYWORD

nonn,more


AUTHOR

Geoffrey H. Morley, Jun 15 2013


EXTENSIONS

Definition clarified by Geoffrey H. Morley, Jun 23 2013


STATUS

approved



