cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-2 of 2 results.

A226666 Integer k associated with the conjectured record-breaking maximal value A226665(n) of the minimal elements of primitive Collatz-like 3x+k cycles.

Original entry on oeis.org

1, 5, 29, 343, 551, 3607, 3787, 4501, 7097, 14303, 17021, 30809, 85105, 103645, 158195, 215663, 323399
Offset: 1

Views

Author

Geoffrey H. Morley, Jun 16 2013

Keywords

Crossrefs

Cf. A226682.

A226681 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.

Original entry on oeis.org

17, 19, 73, 115, 4819, 16099, 61555, 1457663, 3735185, 17904629, 21111517, 29931557, 222264329
Offset: 1

Views

Author

Geoffrey H. Morley, Jun 16 2013

Keywords

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.
For primitive cycles, GCD(k,6)=1.

Crossrefs

k = A226682(n).
Cf. A226623, A226665.
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.