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 A016066 a(n) = round(e^(e^n)). 3
 3, 15, 1618, 528491311, 514843556263457213182266, 28511235679461510605581038657982805983853648817939444953417128837 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS a(6) is a 176-digit number. - Jon E. Schoenfield, Sep 04 2017 LINKS EXAMPLE a(0) = round(e) = round(2.718281828459...) = 3. a(1) = round(e^e) = round(15.154262241479264...) = 15. a(2) = round(e^(e^2)) = round(1618.1779919126535...) = 1618. MATHEMATICA Table[Round[E^(E^n)], {n, 0, 5}] (* Harvey P. Dale, Oct 21 2016 *) CROSSREFS Cf. A001113, A073226, A096232, A096404. Sequence in context: A012796 A231656 A096368 * A012848 A322714 A202621 Adjacent sequences:  A016063 A016064 A016065 * A016067 A016068 A016069 KEYWORD nonn,easy AUTHOR EXTENSIONS Corrected by N. J. A. Sloane, Aug 16 2004 STATUS approved

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Last modified July 29 17:41 EDT 2021. Contains 346346 sequences. (Running on oeis4.)