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%I #4 Aug 21 2013 12:11:19
%S 1,3,4,5,8,9,10,11,13,14,15,16,18,19,20,21,25,26,27,28,30,31,32,33,35,
%T 36,37,38,40,41,42,43,46,47,48,49,51,52,53,54,56,57,58,59,61,62,63,64,
%U 67,68
%N a(n) = min{j : A120508(j) = n}.
%H C. Deugau and F. Ruskey, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL12/Ruskey/ruskey6.pdf">Complete k-ary Trees and Generalized Meta-Fibonacci Sequences</a>, J. Integer Seq., Vol. 12. [This is a later version than that in the GenMetaFib.html link]
%H C. Deugau and F. Ruskey, <a href="http://www.cs.uvic.ca/~ruskey/Publications/MetaFib/GenMetaFib.html">Complete k-ary Trees and Generalized Meta-Fibonacci Sequences</a>
%F g.f.: P(z) = z / (1-z) * (1 + sum(z^(m^4) * (1 + 1 / (1 - z^(m^4))), m=0..infinity))
%p p := proc(n)
%p if n=1 then return 1; end if;
%p for j from p(n-1)+1 to infinity do
%p if A120508(j) = n then return j; fi; od;
%p end proc;
%Y Cf. A120508, A120530.
%K nonn
%O 1,2
%A _Frank Ruskey_ and Chris Deugau (deugaucj(AT)uvic.ca), Jun 20 2006
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