A sequence starts out with one 5, followed by two 6s, then three 7s, four 8s, five
9s, six 5s, seven 6s, eight 7s, nine 8s, ten 9s, eleven 5s, twelve 6s, and so on. (You
should notice that only the five digits from 5 to 9 are used.)
The first 29 terms of the sequence appear below.
5, 6, 6, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 7, . . .
Determine the 2022nd digit in the sequence.
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Answer:
109339osisdddjd93938476464747477475775