Number of 2-dimensional closed-loop self-avoiding paths on a square lattice where each path consists of steps with incrementing length from 1 to n.

A334720

Number of 2-dimensional closed-loop self-avoiding paths on a square lattice where each path consists of steps with incrementing length from 1 to n.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =8a(7) =24a(8) =0a(9) =0a(10) =40a(11) =112a(12) =0a(13) =0a(14) =1376a(15) =2008a(16) =0a(17) =0a(18) =21720a(19) =60848a(20) =0a(21) =0a(22) =635544a(23) =1517368a(24) =0a(25) =0a(26) =20008456a(27) =46010640a(28) =0a(29) =0

External references