Number of n-step self-avoiding walks on square lattice plus number of n-step self-avoiding walks on hexagonal [ =triangular ] lattice.

A177238

Number of n-step self-avoiding walks on square lattice plus number of n-step self-avoiding walks on hexagonal [ =triangular ] lattice.

Terms

    a(0) =2a(1) =10a(2) =42a(3) =174a(4) =718a(5) =3014a(6) =12726a(7) =54054a(8) =230046a(9) =980402a(10) =4177266a(11) =17789230a(12) =75680138a(13) =321616186a(14) =1365165694a(15) =5788182178a(16) =24514575654a(17) =103720434558a(18) =438421398326

External references