On the sum of a prime and two Fibonacci numbers

Fuente: arXiv
Saved in:
Bibliographic Details
Main Authors: Xu, Ji-Zhen, Chen, Yong-Gao
Format: Preprint
Published: 2025
Subjects:
Online Access:
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1866910986437394432
author Xu, Ji-Zhen
Chen, Yong-Gao
author_facet Xu, Ji-Zhen
Chen, Yong-Gao
contents Let $\{f_n\}$ be the Fibonacci sequence. For any positive integer $n$, let $r(n)$ be the number of solutions of $n=p+f_{k_1^{2}} +f_{k_{2}^{2}}$, where $p$ is a prime and $k_1, k_2$ are nonnegative integers with $k_1\le k_2$. In this paper, it is proved that $\{ n : r(n)=0\} $ contains an infinite arithmetic progression, and both sets $\{ n : r(n)=1\} $ and $\{ n : r(n)\ge 2\}$ have positive asymptotic densities.
format Preprint
id arxiv_https___arxiv_org_abs_2506_03631
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle On the sum of a prime and two Fibonacci numbers
Xu, Ji-Zhen
Chen, Yong-Gao
Number Theory
11P32, 11A41, 11B39, 11B13
Let $\{f_n\}$ be the Fibonacci sequence. For any positive integer $n$, let $r(n)$ be the number of solutions of $n=p+f_{k_1^{2}} +f_{k_{2}^{2}}$, where $p$ is a prime and $k_1, k_2$ are nonnegative integers with $k_1\le k_2$. In this paper, it is proved that $\{ n : r(n)=0\} $ contains an infinite arithmetic progression, and both sets $\{ n : r(n)=1\} $ and $\{ n : r(n)\ge 2\}$ have positive asymptotic densities.
title On the sum of a prime and two Fibonacci numbers
topic Number Theory
11P32, 11A41, 11B39, 11B13
url https://arxiv.org/abs/2506.03631