Timeline for Existence of some prime $x_k | k > 2$ in $x_n = x_{n-1} + x_{n-2}$ whenever $x_1$ is coprime to $x_2$
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 18, 2019 at 19:50 | vote | accept | Mark Fischler | ||
| Nov 15, 2019 at 1:11 | comment | added | Gerry Myerson | More references are at oeis.org/A221286 | |
| Nov 15, 2019 at 1:07 | comment | added | Gerry Myerson | M Vsemirnov, A new Fibonacci-like sequence of composite numbers, Journal of Integer Sequences, Vol. 7 (2004), Article 04.3.7, gets a smaller counterexample, $x_1=106276436867$, $x_2=35256392432$. This paper is available via cs.uwaterloo.ca/journals/JIS/VOL7/Vsemirnov/vsem5.html | |
| Nov 15, 2019 at 0:59 | comment | added | Gerry Myerson | John W Nicol, A Fibonacci-like sequence of composite numbers, Elec. J. Combinatorics 6 (1999) R44, is available at combinatorics.org/ojs/index.php/eljc/article/view/v6i1r44 | |
| Nov 15, 2019 at 0:50 | history | answered | JoshuaZ | CC BY-SA 4.0 |