DAU COROANA PLSSSSSSSSS

Explicație pas cu pas:
12,20,31,40,51,60,73,48,90,101,120,125,260,352,500,400,600,621,412,190,303,900,1000,1900,1993,2015,3042,3091,1964,1848,2007,1001.Succes!