1,2

C. Deugau and F. Ruskey, Complete k-ary Trees and Generalized Meta-Fibonacci Sequences, J. Integer Seq., Vol. 12. [This is a later version than that in the GenMetaFib.html link]

C. Deugau and F. Ruskey, Complete k-ary Trees and Generalized Meta-Fibonacci Sequences

g.f.: P(z) = z / (1-z) * (1 + sum(z^(m^4) * (1 / (1 - z^(m^4))), m=0..infinity))

p := proc(n)

if n=1 then return 1; end if;

for j from p(n-1)+1 to infinity do

if A120507(j) = n then return j; fi; od;

end proc;

Cf. A120507, A120529.

Sequence in context: A047201 A023721 A087066 this_sequence A101888 A020655 A031942

Adjacent sequences: A120515 A120516 A120517 this_sequence A120519 A120520 A120521

nonn

Frank Ruskey (http://www.cs.uvic.ca/~ruskey/) and Chris Deugau (deugaucj(AT)uvic.ca), Jun 20 2006