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A226679 Record-breaking values, for increasing k = A226630(n), of the conjectured number of primitive cycles of positive integers under iteration by the Collatz-like 3x-k function. 3
3, 8, 35, 136, 171, 2908, 6326 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
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
CROSSREFS
k = A226680(n).
Sequence in context: A192212 A148918 A304726 * A216541 A347896 A194090
KEYWORD
nonn,more
AUTHOR
Geoffrey H. Morley, Jun 15 2013
EXTENSIONS
Definition clarified by Geoffrey H. Morley, Jun 23 2013
STATUS
approved

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Last modified June 14 11:02 EDT 2024. Contains 373396 sequences. (Running on oeis4.)