Number of n-step closed paths on the E7 lattice.

A292882

Number of n-step closed paths on the E7 lattice.

Terms

    a(0) =1a(1) =0a(2) =126a(3) =4032a(4) =228690a(5) =14394240a(6) =1020623940a(7) =78353170560

External references