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A322406
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a(n) = n + n*n^n.
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1
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2, 10, 84, 1028, 15630, 279942, 5764808, 134217736, 3486784410, 100000000010, 3138428376732, 106993205379084, 3937376385699302, 155568095557812238, 6568408355712890640, 295147905179352825872, 14063084452067724991026, 708235345355337676357650, 37589973457545958193355620
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OFFSET
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1,1
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COMMENTS
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All terms are produced by successively applying the three basic operations: exponentiation, multiplication and addition.
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LINKS
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FORMULA
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E.g.f.: exp(x) * x - LambertW(-x)/(1 + LambertW(-x))^3. - Vaclav Kotesovec, Dec 20 2018
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EXAMPLE
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a(3) = 3 + 3*3^3 = 3 + 3*27 = 8 + 81 = 84.
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MAPLE
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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