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If you mean: 9, 19, 39, 69 then the next number in the sequence is 109
The squared symbol. (That's the little 2 next to the number.)
If you mean GOOGOL, the next number is one googol plus 1.
Do you mean the next number or the sequence equation. And there isn't a solid patter, there's to much ambiguity to determine a logical next number.
If you mean: 1 1 2 3 5 8 13 21 then the next number is 13+21 = 34