| 1, 0, 0, 0, 1, 2, 4, 8, 15, 26, 50, 90, 169, 310, 583, 1082, 2047, 3837, 7279, 13769, 26209, 49878, 95324, 182260, 349518, 670918, 1290539, 2485189, 4793489, 9255782, 17895678, 34635742, 67108813, 130148445, 252645129, 490849458
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