Number of n-step self-avoiding walks on a 2D square lattice whose end-to-end distance is an integer.

A359709

Number of n-step self-avoiding walks on a 2D square lattice whose end-to-end distance is an integer.

Terms

    a(0) =1a(1) =4a(2) =4a(3) =12a(4) =28a(5) =76a(6) =164a(7) =732a(8) =1044a(9) =4924a(10) =6724a(11) =30636a(12) =43972a(13) =190516a(14) =313996a(15) =1197908a(16) =2284260a(17) =7678188a(18) =16257604a(19) =50524252a(20) =113052396a(21) =341811828a(22) =773714436a(23) =2358452388a(24) =5245994292a(25) =16447462492a(26) =35395532236a(27) =115129727188a(28) =238542983748a(29) =804980005276

External references