Number of n-step up-side self-avoiding walks on the lattice strip {0,1,2} x Z (up-side means that the walks move up and sideways but not down).
A171857
Number of n-step up-side self-avoiding walks on the lattice strip {0,1,2} x Z (up-side means that the walks move up and sideways but not down).
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =15a(5) =28a(6) =53a(7) =101a(8) =192a(9) =364a(10) =690a(11) =1309a(12) =2484a(13) =4713a(14) =8941a(15) =16962a(16) =32180a(17) =61052a(18) =115827a(19) =219744a(20) =416893a(21) =790921a(22) =1500520a(23) =2846756a(24) =5400806a(25) =10246297a(26) =19439064a(27) =36879393a(28) =69966825a(29) =132739618
External references
- oeis: A171857