AS - sequence

What are the first ten members of the sequence if a11=22, d=2.

Correct result:

a10 =  20
a9 =  18
a8 =  16
a7 =  14
a6 =  12
a5 =  10
a4 =  8
a3 =  6
a2 =  4
a1 =  2

Solution:

a10=222=20
a9=202=18
a8=182=16
a7=162=14
a6=142=12
a5=122=10
a4=102=8
a3=82=6
a2=62=4
a1=42=2



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