This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A060477 Number of orbits of length n in map whose periodic points are A048578. 3
 3, 1, 2, 3, 6, 9, 18, 30, 56, 99, 186, 335, 630, 1161, 2182, 4080, 7710, 14532, 27594, 52377, 99858, 190557, 364722, 698870, 1342176, 2580795, 4971008, 9586395, 18512790, 35790267, 69273666, 134215680, 260300986 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES Yash Puri and Thomas Ward, A dynamical property unique to the Lucas sequence, Fibonacci Quarterly, Volume 39, Number 5 (November 2001), pp. 398-402. LINKS Y. Puri and T. Ward, Arithmetic and growth of periodic orbits, J. Integer Seqs., Vol. 4 (2001), #01.2.1. FORMULA If b(n) is the n-th term of A048578, then a(n)=(1/n)* Sum_{d|n}\mu(d)a(n/d) EXAMPLE a(3)=2 since the 3rd term of A048578 is 9 and the first term is 3. CROSSREFS Cf. A001037, A059966 (both nearly identical to this sequence). Cf. A093210. Sequence in context: A078350 A078719 A087227 * A175945 A209859 A080890 Adjacent sequences:  A060474 A060475 A060476 * A060478 A060479 A060480 KEYWORD easy,nonn AUTHOR Thomas Ward (t.ward(AT)uea.ac.uk) STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

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