The number of hanging vertically stable self-avoiding walks of length n on a 2D square lattice where both the nodes and connecting rods have mass.

A335780

The number of hanging vertically stable self-avoiding walks of length n on a 2D square lattice where both the nodes and connecting rods have mass.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =3a(6) =7a(7) =15a(8) =37a(9) =65a(10) =115a(11) =223a(12) =503a(13) =1127a(14) =2761a(15) =6225a(16) =15393a(17) =34915a(18) =84399a(19) =193489a(20) =477727a(21) =1113059a(22) =2753799a(23) =6486011a(24) =16181965a(25) =38447093a(26) =95995579

External references