| 3, 1, 1, 1, 2, 2, 4, 6, 12, 23, 45, 95, 202, 439, 969, 2170, 4917, 11259, 26022, 60646, 142406, 336675, 800921, 1916170, 4608314, 11136187, 27030852, 65882702, 161192928, 395795355, 975088103, 2409758307, 5972774016, 14844843847
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