| 1, 3, 9, -25, -59, 129, 273, -563, -1145, 2313, 4651, -9329, -18689, 37411, 74857, -149753, -299547, 599137, 1198321, -2396691, -4793433, 9586921, 19173899, -38347857, -76695777, 153391619, 306783305, -613566681, -1227133435, 2454266945, 4908533969, -9817068019, -19634136121
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