1,2
Richard Choulet, Curtz-like transformation.
G.f.: f(z)=1+2*z+...=((1-z)^2*(1-sqrt(1-4*z)))/(2*z*(1-3*z+2*z^2-z^3))
Sequence in context: A052963 A036908 A126220 * A190254 A075496 A114177
Adjacent sequences: A136301 A136302 A136303 * A136305 A136306 A136307
nonn
Richard Choulet (richardchoulet(AT)yahoo.fr), Mar 22 2008