0,2

A. J. Guttmann, Indicators of solvability for lattice models, Discrete Math., 217 (2000), 167-189 (H_4(1)/2 of Section 3).

G.f.: (1+14x+56x^2+122x^3+146x^4+122x^5+56x^6+14x^7+x^8)/((1-x)^5(1+x)^3).

1/2 of column 4 of A055921.

Sequence in context: A035291 A120045 A119771 this_sequence A055856 A050406 A047674

Adjacent sequences: A055917 A055918 A055919 this_sequence A055921 A055922 A055923

nonn

Christian G. Bower (bowerc(AT)usa.net), Jun 19 2000