21111517

Appears in sequences

• Conjectured record-breaking maximal values, for ascending positive integers k, of the minimal elements of the primitive cycles of positive integers under iteration by the Collatz-like 3x-k function.at n=10A226681
• Minimal element in the primitive 3x-k cycle with the conjectured record-breaking maximal element A226683(n).at n=11A226685
• Smallest positive integer in the primitive Collatz-like 3x-k cycle(s) with the conjectured record-breaking length A226686(n).at n=12A226688