OFFSET
0,5
COMMENTS
What does this sequence count?
a(n+1)/a(n) tends to 1.9308610132631268... - Vaclav Kotesovec, Feb 28 2014
PROG
(PARI)
N=66; R=O('x^N); x='x+R;
F = 1; for (k=1, N+1, F = 1 + x / (1 - x * subst(F, 'x, 'x^2)^2 ) + R; );
Vec(F)
CROSSREFS
KEYWORD
nonn
AUTHOR
Joerg Arndt, Feb 28 2014
STATUS
approved