Finding the recursive formula and iterative formula of the sequence 1,2,6,15,31,56.... given that a0 = 1
Added by Cheryl T.
Step 1
So, we can represent the sequence as: $a_n = An^2 + Bn + C$ We know that $a_0 = 1$, so we can plug in $n = 0$ to find C: $1 = A(0)^2 + B(0) + C$ $C = 1$ Show more…
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