Arithmetic Sequence Calculator

    Find terms of an arithmetic sequence

    Formula

    aₙ = a₁ + (n-1)d | Sₙ = n/2(a₁+aₙ)

    Each term increases by constant difference d.

    Examples

    a₁=2, d=3, n=10

    a₁₀ = 29, Sum = 155.

    Frequently Asked Questions

    About Arithmetic Sequence

    Find any term and sum of an arithmetic sequence.