Doubling (AABBCC)
Make it instantly recognisable
993333 7616
?10,001
?8,001
7076 995511
?26,875
?21,500
7076 111199
?18,625
?14,900
7699 111165
?18,625
?14,900
7699 111160
?18,625
?14,900
7699 555509
?26,875
?21,500
9609 111177
?26,875
?21,500
7699 555571
?26,875
?21,500
9609 555533
?41,875
?33,500
7699 555576
?26,875
?21,500
7699 555567
?26,875
?21,500
90999 00999
?21,25,000
?17,00,000
7 99 77777 11
?76,250
?61,000
7 99 77777 22
?76,250
?61,000
7 99 77777 33
?76,250
?61,000
7 99 77777 44
?76,250
?61,000
7 99 77777 55
?76,250
?61,000
7 99 77777 66
?80,000
?64,000
7 99 77777 88
?80,000
?64,000
9000077 384
?10,001
?8,001
90000 333 65
?18,124
?14,499
90000 55 22 8
?14,376
?11,501
90000 666 49
?18,124
?14,499
96666666 14
?5,49,999
?4,39,999
Doubling (AABBCC) number pattern