Number of closed paths of length n whose steps are 14th roots of unity, U_14(n).

A198806

Number of closed paths of length n whose steps are 14th roots of unity, U_14(n).

Terms

    a(0) =1a(1) =0a(2) =14a(3) =0a(4) =546a(5) =0a(6) =32900a(7) =10080a(8) =2570050a(9) =2540160a(10) =238935564a(11) =465696000a(12) =25142196156a(13) =76886409600

External references