Doubling (AABBCC)
Make it instantly recognisable
9627711999
?13,751
?11,001
9756633999
?14,376
?11,501
8877118833
?28,750
?23,000
8877228811
?28,750
?23,000
8877229900
?28,750
?23,000
8877336655
?28,750
?23,000
8877558811
?28,750
?23,000
8877993300
?28,750
?23,000
8877994400
?28,750
?23,000
9458229999
?37,500
?30,000
9105660000
?45,625
?36,500
9105770000
?45,625
?36,500
9105880000
?45,625
?36,500
9627220000
?45,625
?36,500
63 999999 12
?76,250
?61,000
63 999999 17
?76,250
?61,000
63 999999 21
?76,250
?61,000
63 999999 23
?76,250
?61,000
63 999999 30
?76,250
?61,000
63 999999 31
?76,250
?61,000
63 999999 32
?76,250
?61,000
63 999999 34
?76,250
?61,000
63 999999 40
?76,250
?61,000
63 999999 41
?76,250
?61,000
Doubling (AABBCC) number pattern