| 1, 1, 1, 3, 2, 15, 6, 105, 24, 945, 120, 10395, 720, 135135, 5040, 2027025, 40320, 34459425, 362880, 654729075, 3628800, 13749310575, 39916800, 316234143225, 479001600, 7905853580625, 6227020800, 213458046676875, 87178291200, 6190283353629375, 1307674368000
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