\[a_{1} = 2;\ \ a_{2};\ \ a_{3};\ \ a_{4};\ \ a_{5};\ \ a_{6} =\]
\[= 22\]
\[a_{6} = a_{1} + 5d\]
\[22 = 2 + 5d\]
\[5d = 20\]
\[d = 4.\]
\[a_{2} = a_{1} + d = 2 + 4 = 6;\]
\[a_{3} = a_{2} + d = 6 + 4 = 10;\]
\[a_{4} = a_{3} + d = 10 + 4 = 14;\]
\[a_{5} = a_{4} + d = 14 + 4 = 18.\]