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

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Text this: Upper bound for the crossing number of Q<inf>n</inf>×K<inf>3</inf>