Geodesic
Jacobsthal and Jacobsthal-Lucas numbers and sums introduced by Jacobsthal and Tverberg
Journal of integer sequences, Tome 20 (2017) no. 3
We study the sums introduced by Jacobsthal and Tverberg and show that the extreme values of the sums are connected with Jacobsthal and Jacobsthal-Lucas numbers.
Classification : 11A25, 11B37
Keywords: Jacobsthal sum, Jacobsthal number, Jacobsthal-Lucas number, floor function, sum 
@article{JIS_2017__20_3_a5,
     author = {Onphaeng,  Kritkhajohn and Pongsriiam,  Prapanpong},
     title = {Jacobsthal and {Jacobsthal-Lucas} numbers and sums introduced by {Jacobsthal} and {Tverberg}},
     journal = {Journal of integer sequences},
     year = {2017},
     volume = {20},
     number = {3},
     zbl = {1381.11014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2017__20_3_a5/}
}
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Onphaeng,  Kritkhajohn; Pongsriiam,  Prapanpong. Jacobsthal and Jacobsthal-Lucas numbers and sums introduced by Jacobsthal and Tverberg. Journal of integer sequences, Tome 20 (2017) no. 3. http://geodesic.mathdoc.fr/item/JIS_2017__20_3_a5/