Between each pair of terms in this sequence is the amount the sequence is decreasing by. The 𝒏th term refers to a term's position in the sequence, for example, the first term has 𝒏 = 1, the second ...

Sequences Position-to-term rules or 'nth' term Arithmetic Sequences Find the nth term of quadratic sequences - Higher Special sequences This sequence is going up by four each time, so add 4 on to the ...