0,3

Table of n, a(n) for n=0..72.

a(n) = a(n-2) + a(n-3) - a(n-5).

G.f.: x*(1 + 2*x + x^2 + x^3)/(1 - x^2 - x^3 + x^5).

a[n_] := Floor[3n/2] - Floor[2n/3]

Table[a[n], {n, 0, 90}] (* A090168 *)

Cf. A090169.

Sequence in context: A302929 A129229 A219029 * A266690 A230421 A219641

Adjacent sequences: A090165 A090166 A090167 * A090169 A090170 A090171

nonn,easy

Clark Kimberling, Nov 23 2003

approved