Bond percolation series for square lattice near a wall.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =9a(6) =17a(7) =26a(8) =47a(9) =72a(10) =129a(11) =194a(12) =348a(13) =516a(14) =929a(15) =1351a(16) =2456a(17) =3506a(18) =6471a(19) =8929a(20) =17029a(21) =22579a(22) =44707a(23) =55969a(24) =117836a(25) =137313a(26) =311654a(27) =324989a(28) =833496a(29) =756309