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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A182809 Cyclops-Fibonacci numbers. 3
 0, 75025, 6557470319842, 14472334024676221, 99194853094755497 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Note that a(5) = 99194853094755497 is the only known Cyclops-Fibonacci prime. Next term, if it exists, is > Fibonacci(2359000). - Lars Blomberg, May 10 2011 This sequence is similar to A182811 in the sense that both have four positive terms and the only known prime is also the largest known term. - Omar E. Pol, Feb 18 2018 Indices in A000045 are 0, 25, 63, 79, 83. - Michel Marcus and Omar E. Pol, Feb 18 2018 LINKS G. L. Honaker, Jr. and Chris K. Caldwell, Prime Curios! 99194853094755497 EXAMPLE a(2) = 75025 is in the sequence because 75025 is a Fibonacci number A000045 and 75025 is also a cyclops number A134808. MATHEMATICA (* First run the program given for A134808 *) Select[Fibonacci[Range[10^3]], cyclopsQ] (* Alonso del Arte, Dec 16 2010 *) CROSSREFS Intersection of A000045 and A134808. Cf. A134809, A138148, A160717, A182811. Sequence in context: A179252 A045731 A173207 * A182393 A347848 A204360 Adjacent sequences:  A182806 A182807 A182808 * A182810 A182811 A182812 KEYWORD nonn,base,hard,more AUTHOR Omar E. Pol, Dec 16 2010 EXTENSIONS a(4) inserted by Alois P. Heinz, Dec 16 2010 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.

Last modified May 20 01:04 EDT 2022. Contains 353847 sequences. (Running on oeis4.)