1,2

Richard Choulet, Curtz-like transformation.

The o.g.f is the function f given by f(z)=a(0)+a(1)*z+...=(1/((1-z)^2*(1-3*z+2*z^2-z^3)))

Cf. A136302, A136303, A136304, A136305.

Sequence in context: A036888 A053221 A137221 this_sequence A079094 A053220 A048777

Adjacent sequences: A137231 A137232 A137233 this_sequence A137235 A137236 A137237

easy,nonn

Richard Choulet (richardchoulet(AT)yahoo.fr), Apr 05 2008