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A082423
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a(1)=1, a(n)=ceiling(n/(n+1)*sum(k=1,n-1,a(k))).
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0
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1, 1, 2, 4, 7, 13, 25, 48, 91, 175, 337, 650, 1258, 2438, 4735, 9210, 17940, 34992, 68331, 133580, 261391, 511959, 1003556, 1968715, 3864865, 7592312, 14923899, 29352241, 57761017, 113723026, 224010669, 441452110, 870326081, 1716539232
(list; graph; refs; listen; history; internal format)
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