1,3,5,7,9,11,13,□,,,

1,2,4,8,16,32,64,□,,,

1,1,2,3,5,8,13,21,□,,,

22,22,22,22,22,22,22,22,□,,,

1,11,21,1211,111221,312211,13112221,1113213211,31131211131221,□,,,

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logcn+1/logcn ~(1.303577269…)

cn ~10^(1.303577269…)^n

x^71-x^69-2x^68-x^67+2x^66+2x^65+x^64-x^63-x^62-x^61-x^60-x^59+…+5x^9+x^7-7x^6+7x^5-4x^4+12x^3-6x^2+3x-6=0

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