Number of 2n-step 2-dimensional closed self-avoiding paths on square lattice.

A010566

Number of 2n-step 2-dimensional closed self-avoiding paths on square lattice.

Terms

    a(0) =0a(1) =8a(2) =24a(3) =112a(4) =560a(5) =2976a(6) =16464a(7) =94016a(8) =549648a(9) =3273040a(10) =19781168a(11) =121020960a(12) =748039552a(13) =4664263744a(14) =29303071680a(15) =185307690240

External references