A060479 Number of orbits of length n in map whose periodic points come from A006954.

6, 12, 12, 0, 12, 444, 0, 60, 84, 24, 12, 0, 0, 60, 948, 0, 0, 106428, 0, 660, 84, 24, 12, 1800, 0, 60, 0, 0, 12, 1892316, 0, 0, 1956, 0, 132, 3838380, 0, 0, 84, 5400, 12, 80928, 0, 1380, 5712, 24, 0, 92820, 0, 660, 84, 0, 12, 3838380, 24, 29820, 0, 24, 0

Offset: 1

Author

Thomas Ward

Keywords

• easy
• nonn

Links

• Y. Puri and T. Ward, Arithmetic and growth of periodic orbits, J. Integer Seqs., Vol. 4 (2001), #01.2.1.

Crossrefs

A006954.

Formula

If b(n) is the (n+2)-nd term of A006954, then a(n) = (1/n)* Sum_{d|n} mu(d) * b(n/d).

Extensions

More terms from Sean A. Irvine, Nov 23 2022