2)
[tex] \bf \begin{array}{ccll}
n&term&value\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
1&a_1&7\\
2&a_2&2\cdot a_{2-1}+3\\
&&2\cdot a_1+3\\
&&2\cdot 7+3\\
&&17\\
3&a_3&2\cdot a_{3-1}+3\\
&&2\cdot a_2+3\\
&&2\cdot 17+3\\
&&37\\
4&a_4&2\cdot a_{4-1}+3\\
&&2\cdot a_3+3\\
&&74+3\\
&&77\\
5&a_5&2\cdot a_{5-1}+3\\
&&2\cdot a_4+3\\
&&154+3\\
&&157\\
6&a_6&2\cdot a_{6-1}+3\\
&&314+3\\
&&317
\end{array} [/tex]
