1009440domain: NAppears in sequencesSum of squared end-to-end distances of all n-step self-avoiding walks on the 4-d cubic lattice.at n=5A242355E.g.f. A(x) satisfies: A(x) = 1 + Integral (x/A(x))' / (x/A(x)^3)' dx.at n=6A338194