Doubling (AABBCC)

Make it instantly recognisable

left
93 66 33 99 11
?26,124
?20,899
Sum: 50
Total: 5
left
98 77 44 55 11
?16,249
?12,999
Sum: 51
Total: 6
left
8055 8 8055 3
?45,625
?36,500
Sum: 47
Total: 2

Doubling (AABBCC) number pattern