| 1, 1, 5, 16, 64, 196, 661, 1921, 5431, 14106, 35006, 81858, 183616, 393568, 813916, 1624114, 3143974, 5910904, 10831414, 19369614, 33887006, 58069748, 97645340, 161289668, 262066349, 419245385, 661069025, 1028234130, 1578996010, 2395570650, 3593235173
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