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A082426
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a(1)=1, a(n)=n*(a(n-1)+a(n-2)+...+a(2)+a(1)) + 2.
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0
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1, 3, 10, 49, 301, 2161, 17641, 161281, 1632961, 18144001, 219542401, 2874009601, 40475635201, 610248038401, 9807557760001, 167382319104001, 3023343138816001, 57621363351552001, 1155628453883904001
(list; graph; refs; listen; history; internal format)
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