Number Sequence Calculator

Calculate arithmetic, geometric, and Fibonacci sequences

Arithmetic Sequence

Geometric Sequence

Fibonacci Sequence

Definition: a_n = a₁ + f × (n-1)

Example: 1, 3, 5, 7, 9, 11, 13, ...

Definition: a_n = a × r^n-1

Example: 1, 2, 4, 8, 16, 32, 64, 128, ...

Definition: a₀=0; a₁=1; a_n = a_n-1 + a_n-2

Example: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, ...