#Output file of SiPerUGJ that contains the first 30 terms #of the enumerating sequence for walks on the 2D square #lattice that avoids retracing, rectangular, and hexagonal #subwalks [1, 4, 12, 36, 100, 284, 780, 2172, 5916, 16268, 44260, 120900, 329068, 896876, 2441524, 6649812, 18105532, 49303460, 134248748, 365563444, 995426180, 2710574772, 7380966756, 20098646980, 54729399772, 149030441284, 405816283380, 1105055366292, 3009114208444, 8193949977636]