I was unable to get 62.5.

My only guess is

1 x(5/1) =5 x2 =10 x(5/2) = 25 x2 =50 x(5/3) =83.3
[download]

In other words, a sequence of two stages:

• multiply by (5 divided by n++)
• multiply by 2

  ---

  In reply to Re^2: A script to determine the next number in a sequence by monarch
  in thread A script to determine the next number in a sequence by Anonymous Monk

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