| 1, 1, 3, 6, 12, 23, 44, 84, 158, 297, 561, 1056, 1989, 3746, 7056, 13287, 25023, 47125, 88746, 167127, 314735, 592710, 1116193, 2102019, 3958531, 7454720, 14038755, 26437833, 49787820, 93760597, 176570285, 332517781, 626198652, 1179259497
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