3,1

G.f.: x^3(-x^7+7x^6-21x^5+35x^4-35x^3+21x^2-7x+2)/[(1-2x)(1-x)^6].

Sequence in context: A069724 A132961 A070017 this_sequence A037737 A037632 A095939

Adjacent sequences: A054126 A054127 A054128 this_sequence A054130 A054131 A054132

nonn

Clark Kimberling (ck6(AT)evansville.edu)