Number Sequence Calculator

∞

Arithmetic • Geometric • Fibonacci • Prime • Square • Cube • nth term • Sum

Arithmetic sequence: aₙ = a₁ + (n−1)d

First term (a₁)

Common difference (d)

Number of terms (n)

Geometric sequence: aₙ = a₁ × rⁿ⁻¹

First term (a₁)

Common ratio (r)

Number of terms (n)

Fibonacci-like sequence: each term = sum of two before

First term (F₁)

Second term (F₂)

Number of terms

Select a special sequence

Number of terms

Enter a sequence to detect its pattern

Numbers (comma or space separated)