k-generalized Fibonacci numbers close to the form 2^a + 3^b + 5^c
Acta mathematica Universitatis Comenianae, Tome 86 (2017) no. 2, pp. 279-286
Nurettin Irmak; Murat Alp; Nurettin Irmak; Murat Alp. k-generalized Fibonacci numbers close to the form 2^a + 3^b + 5^c. Acta mathematica Universitatis Comenianae, Tome 86 (2017) no. 2, pp. 279-286. http://geodesic.mathdoc.fr/item/AMUC_2017_86_2_a7/
@article{AMUC_2017_86_2_a7,
     author = {Nurettin Irmak and Murat Alp and Nurettin Irmak and Murat Alp},
     title = { k-generalized {Fibonacci} numbers close to the form 2^a + 3^b + 5^c},
     journal = {Acta mathematica Universitatis Comenianae},
     pages = {279--286},
     year = {2017},
     volume = {86},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/AMUC_2017_86_2_a7/}
}
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The k-generalized Fibonacci sequence {F_n^{(k)}}_{n\geq 0} is dened as the sum of the k proceeding terms and initial conditions are 0, . . ., 1 (k terms). In this paper, we solve the diophantine equation F_n^{(k)} n = 2^a + 3^b + 5^c + \delta where a, b, c, \delta and are nonnegative integers with max{a; b}\leq c and 0 \leq \delta \leq 5. This work generalizes a recent Marques [9] and rst author, Szalay [6] results.