1,2

Lara Pudwell, Systematic Studies in Pattern Avoidance, 2005.

G.f.: A(x) = -{(x^4-4x^3+8x^2-5x+1)x}/{(x^2-3x+1)^2(x-1)}

Sequence in context: A116847 A116848 A122055 this_sequence A116849 A007051 A124302

Adjacent sequences: A116842 A116843 A116844 this_sequence A116846 A116847 A116848

nonn,easy

Lara Pudwell (Lara.Pudwell(AT)valpo.edu), Feb 26 2006