Products of Fermat or Mersenne numbers in some sequences

被引:0
作者
Bachabi, Mohamadou [1 ]
Togbe, Alain S. [2 ]
机构
[1] Univ Abomey Calavi UAC, Inst Math & Sci Phys IMSP, Dangbo, Benin
[2] Purdue Univ Northwest, Dept Math & Stat, 2200 169th St, Hammond, IN 46323 USA
关键词
Diophantine equations; Padovan sequence; Perrin sequence; Narayana sequence; linear forms in logarithms; reduction method; FIBONACCI; EQUATIONS; INTERSECTION;
D O I
暂无
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let P-n be an n-th Padovan number, E-n an n-th Perrin number, and N-n an n-th Narayana number. In this paper, we solve the Diophantine equations P-n = (2(a) -1)(2(b) - 1), E-n = (2(a )-1)(2(b) - 1), and N-n = (2(a) +/- 1)(2(b) +/- 1), in positive integers n, a and b . Therefore, we determine the Padovan or Perrin numbers that are products of two Mersenne numbers and the Narayana numbers that are products of two Mersenne or Fermat numbers.
引用
收藏
页码:265 / 285
页数:21
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