How many

How many numbers are less than 222 with a digit sum is 8?

Correct result:

n =  19


a1=8 a2=17 a3=26 a4=35 a5=44 a6=53 a7=62 a8=71 a9=80 a10=107 a11=116 a12=125 a13=134 a14=143 a15=152 a16=161 a17=170 a18=206 a19=215 n=19

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