Irmak, NurettinAlp, Murat2019-08-012019-08-0120131787-24051787-2413https://dx.doi.org/10.18514/MMN.2013.523https://hdl.handle.net/11480/4449In this paper, we give a recurrence relation for the Tribonacci numbers with indices in aritmetics progression, {Trn+s} for 0 <= s < n We find sums of {T-rn} g for arbitrary integer r via matrix methods.eninfo:eu-repo/semantics/openAccessTribonacci numberssumsmatrix methodsTRIBONACCI NUMBERS WITH INDICES IN ARITHMETIC PROGRESSION AND THEIR SUMSArticle14112513310.18514/MMN.2013.5232-s2.0-84892464023Q3WOS:000328081500012Q4