6503112domain: NAppears in sequencesTheta series of D_23 lattice.at n=3A022054Theta series of D*_23 lattice.at n=24A022076Number of diagonal dissections of an n-gon into 5 regions.at n=15A033277a(n) = (4/45)*n*(n - 2)*(n - 1)*(n^3 - 12*n^2 + 47*n - 15).at n=23A319577