Confused with sequence terms: a_n = 1 + 3(n - 1); find a_10

[Rafael De La Ghetto]

What is a₁₀ for the sequence a_n = 1 + 3 (n - 1)?

Can someone help me out with this? Thanks.

 

[skeeter]

a₁₀ = 1 + 3(10 - 1)