[tex]\bf \begin{array}{ccll}
n&term&value\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
1&a(1)&3\\
2&a(2)&2a(2-1)-1\\
&&2a(1)-1\\
&&2(3)-1\\
&&5\\
3&a(3)&2a(3-1)-1\\
&&2a(2)-1\\
&&2(5)-1\\
&&9\\
4&a(4)&2a(4-1)-1\\
&&2a(3)-1\\
&&2(9)-1\\
&&17\\
5&a(5)&2a(5-1)-1\\
&&2a(4)-1\\
&&2(17)-1\\
&&33
\end{array}[/tex]
