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A093458
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Mixed factorials. Define MF(n) as the product prime(1)*composite(1)*(prime(2)*composite(2)...prime(n/2)*composite(n/2) if n is even else MF(n) as the product prime(1)*composite(1)*(prime(2)*composite(2)*...*prime((n+1)/2). a(0)= 1.
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1
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1, 2, 8, 24, 144, 720, 5760, 40320, 362880, 3991680, 39916800, 518918400, 6227020800, 105859353600, 1482030950400, 28158588057600, 422378820864000, 9714712879872000, 155435406077952000, 4507626776260608000
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