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A120513
a(n) = min{j : A120502(j) = n}.
2
1, 5, 10, 11, 17, 18, 20, 21, 28, 29, 31, 32, 35, 36, 38, 39, 47, 48, 50, 51, 54, 55, 57, 58, 62, 63, 65, 66, 69, 70, 72, 73, 82, 83, 85, 86, 89, 90, 92, 93, 97, 98, 100, 101, 104, 105, 107, 108, 113, 114
OFFSET
1,2
LINKS
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]
B. Jackson and F. Ruskey, Meta-Fibonacci Sequences, Binary Trees and Extremal Compact Codes, Electronic Journal of Combinatorics, 13 (2006), #R26, 13 pages.
FORMULA
G.f.: P(z) = z / (1-z) * (1 + sum(z^(m^2) * (3 + 1 / (1 - z^(m^2))), m=0..infinity))
MAPLE
p := proc(n)
if n=1 then return 1; end if;
for j from p(n-1)+1 to infinity do
if A120502(j) = n then return j; fi; od;
end proc;
CROSSREFS
Sequence in context: A136824 A136822 A189151 * A004757 A007527 A033894
KEYWORD
nonn
AUTHOR
Frank Ruskey and Chris Deugau (deugaucj(AT)uvic.ca), Jun 20 2006
STATUS
approved