login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A211604
a(n) = A073711(2^n-1) for n>=0.
1
1, 1, 2, 6, 26, 186, 3138, 206850, 91058098, 534571085778, 126075037515248882, 6062019374259400059294162, 470527304983253008023608694415844658, 1285056632958988628362087081869760004715744193806354
OFFSET
0,3
COMMENTS
A073711(2^n) = 1 for n>=0.
The g.f. G(x) for A073711 satisfies: G(x) = G(x^2) + x*G(x^2)^2.
What is the rate of growth of this sequence?
CROSSREFS
Cf. A073711.
Sequence in context: A086584 A351288 A355211 * A032014 A112948 A007139
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Feb 18 2013
STATUS
approved