Doubling (AABBCC)

Make it instantly recognisable

left
7777 00 44 88
?33,750
?27,000
Sum: 52
Total: 7
left
8877 8877 43
?16,875
?13,500
Sum: 67
Total: 4
left
8866 8866 41
?21,125
?16,900
Sum: 61
Total: 7
left
777 00 111 66
?21,125
?16,900
Sum: 36
Total: 9
left
777 00 555 33
?21,125
?16,900
Sum: 42
Total: 6
left
840 9999995
?76,250
?61,000
Sum: 71
Total: 8
left
840 9999998
?76,250
?61,000
Sum: 74
Total: 2
left
9009 9009 52
?41,875
?33,500
Sum: 43
Total: 7
left
76 8800 4400
?10,001
?8,001
Sum: 37
Total: 1
left
75 11111117
?1,250
?1,000
Sum: 26
Total: 8
left
88 9999999 6
?1,500
?1,200
Sum: 85
Total: 4
left
75 99999 228
?14,376
?11,501
Sum: 69
Total: 6
left
8988 555554
?26,875
?21,500
Sum: 62
Total: 8
left
8988 555557
?26,875
?21,500
Sum: 65
Total: 2
left
7468 99 2222
?18,625
?14,900
Sum: 51
Total: 6
left
8553 66 2222
?18,625
?14,900
Sum: 41
Total: 5
left
7468 99 1111
?18,625
?14,900
Sum: 47
Total: 2
left
7686 88 7777
?18,625
?14,900
Sum: 71
Total: 8
left
7686 88 6666
?23,625
?18,900
Sum: 67
Total: 4
left
9418 442222
?21,125
?16,900
Sum: 38
Total: 2
left
742-8822222
?77,500
?62,000
Sum: 39
Total: 3
left
742-8844444
?86,250
?69,000
Sum: 49
Total: 4
left
94 22222 440
?33,750
?27,000
Sum: 31
Total: 4
left
88 66 55 00 43
?4,875
?3,900
Sum: 45
Total: 9

Doubling (AABBCC) number pattern