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A082428
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a(1)=1, a(n)=n*(a(n-1)+a(n-2)+...+a(2)+a(1)) + 3.
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0
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1, 5, 21, 111, 693, 4989, 40743, 372507, 3771633, 41907033, 507075099, 6638074023, 93486209157, 1409484384213, 22652427603423, 386601431098419, 6982988349215193, 133087542655630737, 2669144605482372003
(list; graph; refs; listen; history; internal format)
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