Sequence Calculator

Arithmetic sequences, geometric sequences and series, and the Fibonacci sequence — nth term and partial sum.

nth term29
Partial sum Sₙ155

2, 5, 8, 11, 14, 17, 20, 23, 26, 29

aₙ = a₁ + (n−1)d. Sₙ = n/2 · (2a₁ + (n−1)d).

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