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 A056072 For n>0, floor(e^e^ ... ^e), with n e's. 6
 1, 2, 15, 3814279 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS The next term is too large to include. From Vladimir Reshetnikov, Apr 27 2013. (Start) a(4) = 2331504399007195462289689911...2579139884667434294745087021 (1656521 decimal digits in total), given by initial segment of A085667. a(5) has more than 10^10^6 decimal digits. a(6) has more than 10^10^10^6 decimal digits. (end) LINKS Table of n, a(n) for n=0..3. MATHEMATICA Floor[NestList[Exp, 1, 3]] (* _Vladimir Reshetnikov, Apr 29 2013 *) PROG (PARI) A056072(n, f=floor)=f(exp(if(n>0, A056072(n-1, x->x)))) \\ [M. F. Hasler, May 01 2013] CROSSREFS Cf. A004002, A003417, A064107, A159825, A073226, A073227, A085667, A225064, A225053. Sequence in context: A290042 A080911 A175981 * A294195 A175982 A136666 Adjacent sequences: A056069 A056070 A056071 * A056073 A056074 A056075 KEYWORD nonn AUTHOR Robert G. Wilson v, Jul 26 2000 STATUS approved

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Last modified May 17 19:53 EDT 2024. Contains 372607 sequences. (Running on oeis4.)