login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A031122 Integers that appear as ratios of Fibonacci numbers F(kn)/F(k), but omitting Fibonacci numbers F(n)/F(1) and Lucas numbers F(2n)/F(n). 3
17, 48, 72, 122, 305, 323, 329, 842, 1292, 1353, 2208, 2255, 5473, 5777, 5796, 15005, 15128, 15456, 23184, 24447, 39602, 98209, 103683, 103729, 104005, 105937, 166408, 271442, 416020, 439128, 709805, 710648, 726103, 1762289 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
PROG
(PARI) a031122(mk, mn, x) = local(v, vv, j, i); v=[]; for(k=3, mk, for(n=3, mn, v=concat(v, [fibonacci(k*n)/fibonacci(k)]))); v=vecsort(v); vv=[v[1]]; for(j=2, matsize(v)[2], if(v[j-1]<v[j]&&v[j]<x, vv=concat(vv, [v[j]]))); i=1; vv; a031122(150, 50, 610000000) \\ Klaus Brockhaus, Oct 20 2001
CROSSREFS
Cf. A031121.
Sequence in context: A083296 A362480 A159850 * A051869 A297818 A297988
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
Corrected and extended by Don Reble, Oct 20 2001
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 1 20:05 EST 2024. Contains 370443 sequences. (Running on oeis4.)