3,1

G.f.: [x^3(5-x-x^2-x^3)]/[(1-x)^2(1-x-x^2-x^3)].

A027025(n) + n + 1.

Sequence in context: A082199 A082190 A011863 this_sequence A099452 A006007 A001753

Adjacent sequences: A027082 A027083 A027084 this_sequence A027086 A027087 A027088

nonn

Clark Kimberling (ck6(AT)evansville.edu)