SOLUTION: terry has invented a new way to extend lists of numbers. To Terryfy a list such as (1,8) he creates two lists (2,9) and (3,10), where each term is one more than the corresponding

Question 1183084: terry has invented a new way to extend lists of numbers.
To Terryfy a list such as (1,8) he creates two lists (2,9) and (3,10), where each term is one more than the corresponding term in the previous list, and then joins the three lists together to give (1,8,2,9,3,10).
If he starts with a list containing one number (0) and repeatedly Terryfies it he creates the list (0,1,2,1,2,3,2,3,4,1,2,3,2,3,4,3,4,5,2,3,4,...).
What is the 2012th number in this Terryfic list?
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.

In this post, the first step of the Terry's algorithm is clearly described;

but the following steps are not described, at all,

making the algorithm unclear/uncertain.

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