Σ

Compare · Number Sequence Calculator

Two independent scenarios side by side.

Scenario A

Sequence

First term (a)

Common difference (d)

Number of terms (n)

Nth term

29

a + (n−1)·d = 2 + 9·3

Sum

155

n/2 × (2a + (n−1)d)

First terms

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

Scenario B

Sequence

First term (a)

Common difference (d)

Number of terms (n)

Nth term

29

a + (n−1)·d = 2 + 9·3

Sum

155

n/2 × (2a + (n−1)d)

First terms

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