[seqfan] question on a recursively defined sequence

Brendan McKay bdm at cs.anu.edu.au
Mon Feb 23 00:34:18 CET 2009

At the Mathematics Reference Desk of Wikipedia
someone is asking for a closed form for t[n] where
  t[0] = 1, t[n] = t[n-1] + 2^(t[n-1]).
It looks unlikely to me.  Does anyone disagree?


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