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A136464
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a(n) = C((n+1)*2^(n-1), n) / (n+1) for n>=0.
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1
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1, 1, 5, 140, 18278, 10187344, 23427955408, 219523230207424, 8342151047514210800, 1283165334094645437430016, 797992395974041544979314144000, 2004526711813925600335978883389492224
(list; graph; refs; listen; history; internal format)
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