| 1, -2, 2, -4, 5, -10, 14, -28, 42, -84, 132, -264, 429, -858, 1430, -2860, 4862, -9724, 16796, -33592, 58786, -117572, 208012, -416024, 742900, -1485800, 2674440, -5348880, 9694845, -19389690, 35357670, -70715340, 129644790, -259289580, 477638700, -955277400, 1767263190, -3534526380
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