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A082427
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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, 0, 1, 6, 38, 274, 2238, 20462, 207178, 2301978, 27853934, 364633318, 5135252562, 77423807858, 1244311197718, 21236244441054, 383579665216538, 7310577148832842, 146617686151591998, 3086688129507199958
(list; graph; refs; listen; history; internal format)
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