Smallest positive integer k (or 0 if no such k) with a primitive cycle of n positive integers under iteration by the Collatz-like 3x-k function.

A226676

Smallest positive integer k (or 0 if no such k) with a primitive cycle of n positive integers under iteration by the Collatz-like 3x-k function.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =11a(4) =49a(5) =17a(6) =115a(7) =473a(8) =31a(9) =791a(10) =1a(11) =29a(12) =11491a(13) =371a(14) =641a(15) =2167a(16) =19a(17) =119a(18) =23a(19) =3211a(20) =106537a(21) =77a(22) =431a(23) =2465a(24) =2069a(25) =5575

External references