Question 1202808
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Any number can be next.


For example,  2,  1/2,  {{{sqrt(2)}}},  {{{-sqrt(3)}}},  {{{87/91}}},   {{{pi}}},  {{{e}}},  {{{e^pi}}},  {{{pi^e}}}  etc.



Not a Math question. 


Only good to throw it to the closest garbage bin and forget forever.



If you ask me,  why it is not a  Math question,  I will answer you:


        - because there is no any logic connection between the question and the  " given "  part.