Contribute correction: Large & Small numbers & Sequences

  ____       ___     ______    __   __  
 |  _ \\    / _ \\  |      \\  \ \\/ // 
 | |_| ||  / //\ \\ |  --  //   \ ` //  
 | .  //  |  ___  |||  --  \\    | ||   
 |_|\_\\  |_||  |_|||______//    |_||   
 `-` --`  `-`   `-` `------`     `-`'