Doubling (AABBCC)
Make it instantly recognisable
900008 8383
?21,124
?16,899
900007 7474
?18,124
?14,499
9000022 781
?10,001
?8,001
9000022 163
?10,001
?8,001
90000 55 102
?10,000
?8,000
90000 4477 0
?18,124
?14,499
90000 7788 4
?18,124
?14,499
90000 7799 4
?18,124
?14,499
90000 4477 2
?18,124
?14,499
90000 5599 7
?18,124
?14,499
90000 6688 5
?18,124
?14,499
90000 2299 6
?18,124
?14,499
90000 2299 3
?18,124
?14,499
90000 2288 3
?18,124
?14,499
9000077 142
?10,626
?8,501
9000066 583
?10,626
?8,501
9000099 842
?14,376
?11,501
9000033 267
?10,626
?8,501
9000044 162
?10,626
?8,501
9000033 973
?10,626
?8,501
90000330 61
?10,626
?8,501
9000044 180
?10,626
?8,501
9000011 348
?10,626
?8,501
9000044 867
?10,626
?8,501
Doubling (AABBCC) number pattern