A309627 Starting numbers k such that the trajectory of k under the map x -> A133058(x) joins A133058.
6, 8, 11, 12, 19, 25, 30, 32, 45, 46, 47, 52, 53, 55, 58, 59, 60, 63, 64, 76, 95, 97, 98, 99, 101, 102, 107, 108, 114, 118, 124, 126, 132, 134, 137, 140, 144, 152, 156, 157, 159, 163, 169, 173, 177, 180, 181, 185, 187, 188, 189, 198, 199, 200, 202, 203, 206, 207, 208, 209, 210
Offset: 1
Keywords
Examples
Quite a few starting numbers f(0) for the recurrence defined in A133058 will produce a sequence which eventually join A133058, the smallest such number being 6. 8 joins 6 at the 10th term, 11 joins 6 at the 17th term, 12 joins the sequence at the 97th term, etc.
Links
- Tomas Tkac, Table of n, a(n) for n = 1..306 [recomputed and restored by _Georg Fischer_, Oct 14 2019]
- Brady Haran and N. J. A. Sloane, Amazing Graphs, Numberphile Video.
Crossrefs
Cf. A133058.
Extensions
Entry revised by Editors of the OEIS, Oct 01 2019