Series for first parallel moment of square lattice bond percolation near a wall.

Terms

a(0) =1a(1) =4a(2) =9a(3) =24a(4) =47a(5) =108a(6) =201a(7) =424a(8) =762a(9) =1538a(10) =2675a(11) =5258a(12) =8915a(13) =17233a(14) =28518a(15) =54636a(16) =88459a(17) =169004a(18) =266670a(19) =512651a(20) =786932a(21) =1530464a(22) =2270857a(23) =4516598a(24) =6439085a(25) =13207919a(26) =17852082a(27) =38438680a(28) =48640815a(29) =111440275