Number of self-avoiding walks of any length from NW to SW corners of a grid or lattice with n rows and 4 columns.
A216211
Number of self-avoiding walks of any length from NW to SW corners of a grid or lattice with n rows and 4 columns.
Terms
- a(0) =1a(1) =4a(2) =28a(3) =178a(4) =1008a(5) =5493a(6) =29879a(7) =163357a(8) =895519a(9) =4911542a(10) =26932856a(11) =147666219a(12) =809584243a(13) =4438588016a(14) =24334993398a(15) =133419407518a(16) =731487440774
External references
- oeis: A216211