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A090822(n) - 1.
5

%I #10 Aug 02 2014 06:17:47

%S 0,0,1,0,0,1,1,1,2,0,0,1,0,0,1,1,1,2,1,0,0,1,0,0,1,1,1,2,0,0,1,0,0,1,

%T 1,1,2,1,1,1,2,1,1,1,2,2,1,0,0,1,0,0,1,1,1,2,0,0,1,0,0,1,1,1,2,1,0,0,

%U 1,0,0,1,1,1,2,0,0,1,0,0,1,1,1,2,1,1,1,2,1,1,1,2,2,1,1,1,2,1,0

%N A090822(n) - 1.

%C The purpose of A093955-A093958 is to compare A090822, A091787, A091799 and A091844 on the same "scale".

%C Sequence is unbounded. A 3 appears for the first time at n=220. A 4 appears for the first time at around n = 10^10^23.

%H F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, <a href="http://www.cs.uwaterloo.ca/journals/JIS/index.html">A Slow-Growing Sequence Defined by an Unusual Recurrence</a>, J. Integer Sequences, Vol. 10 (2007), #07.1.2.

%H F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence [<a href="http://neilsloane.com/doc/gijs.pdf">pdf</a>, <a href="http://neilsloane.com/doc/gijs.ps">ps</a>].

%H <a href="/index/Ge#Gijswijt">Index entries for sequences related to Gijswijt's sequence</a>

%Y Cf. A090822, A093956-A093958.

%K nonn

%O 1,9

%A _N. J. A. Sloane_, May 22 2004