Text this: The sigma chromatic number of the Sierpinski gasket graphs and the Hanoi graphs

  ______    _____    _____      ______   _    _   
 /_   _//  |  ___|| |  __ \\   /_   _// | |  | || 
 `-| |,-   | ||__   | |  \ ||   -| ||-  | |/\| || 
   | ||    | ||__   | |__/ ||   _| ||_  |  /\  || 
   |_||    |_____|| |_____//   /_____// |_// \_|| 
   `-`'    `-----`   -----`    `-----`  `-`   `-`