The number of vertically balanced self-avoiding walks of length n on the upper half-plane of a 2D square lattice where the nodes and connecting rods have equal mass.
A337860
The number of vertically balanced self-avoiding walks of length n on the upper half-plane of a 2D square lattice where the nodes and connecting rods have equal mass.
Terms
- a(0) =3a(1) =5a(2) =13a(3) =27a(4) =65a(5) =145a(6) =361a(7) =855a(8) =2163a(9) =5303a(10) =13419a(11) =33195a(12) =84159a(13) =210765a(14) =536871a(15) =1356153a(16) =3466533a(17) =8799247a(18) =22541583a(19) =57428441a(20) =147423495a(21) =376838119a(22) =969292869a(23) =2484478265a(24) =6401330591a(25) =16445203213a(26) =42434086359a(27) =109225591309a(28) =282209330237
External references
- oeis: A337860