Home/Algebra/Sequences, finite series, and recurrences/Arithmetic sequence14. Sequences, finite series, and recurrencesArithmetic sequenceLevel: fundamentalIn 14. Sequences, finite series, and recurrencesFormulaCopy LaTeXan=a1+(n−1)da_n=a_1+(n-1)dan=a1+(n−1)dTagsalgebraalgebra formulasequencessequences series finitasDetailEach term differs from the previous one by a constant.Explore the ideaFound an error? Contact us.Related formulasRelatedArithmetic sumSn=n2(a1+an)S_n=\frac n2(a_1+a_n)Sn=2n(a1+an)Open formulaOpen in section