Here are the first 5 terms of a sequence.
k, k−3, k−6, k−9, k−12 k,\ k-3,\ k-6,\ k-9,\ k-12 k, k−3, k−6, k−9, k−12Find an expression, in terms of n n\,n and kkk, for the n n\,nth term of this sequence.
208 exam-style questions on OCR GCSE Maths Sequences (Nth Term). Each one has a worked solution and a mark scheme showing where the marks go.