Recursiva, 4 bytes

*aAa

Try it online (Recursiva Interpreter embedded in Python 3 on TIO)!

Explanation:

*a  : Multiply a times(Here, 8) [8,8,8,8,8,8,8,8] 
  A : List-ify a [8]
   a: All a's will be assigned with the first input argument) 8 

Recursiva, 4 bytes

*aAa

Try it online!

Explanation:

*a  : Multiply a times(Here, 8) [8,8,8,8,8,8,8,8] 
  A : List-ify a [8]
   a: All a's will be assigned with the first input argument) 8 

Recursiva, 4 bytes

*aAa

Try it online (Recursiva Interpreter embedded in Python 3 on TIO)!

Recursiva, 4 bytes

*aAa

Try it online (Recursiva Interpreter embedded in Python 3 on TIO)!

Explanation:

*a  : Multiply a times(Here, 8) [8,8,8,8,8,8,8,8] 
  A : List-ify a [8]
   a: All a's will be assigned with the first input argument) 8