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A055777 3^(3^n). 5
3, 27, 19683, 7625597484987, 443426488243037769948249630619149892803 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

a(n+1) = a(n) written in base 3 and read as if in base 27 (and recorded in base 10).

Number of distinct n-ary operators in a ternary logic. - Ross Drewe, Feb 13 2008

The next term has 116 digits. - Harvey P. Dale, Mar 28 2019

LINKS

Table of n, a(n) for n=0..4.

FORMULA

a(n) =a(n-1)^3.

MATHEMATICA

NestList[#^3&, 3, 5] (* Harvey P. Dale, Mar 28 2019 *)

CROSSREFS

Cf. A001146, A023365.

Sequence in context: A068221 A068222 A308384 * A014222 A071107 A162414

Adjacent sequences:  A055774 A055775 A055776 * A055778 A055779 A055780

KEYWORD

nonn

AUTHOR

Henry Bottomley, Jul 12 2000

EXTENSIONS

Next term is too big to include.

STATUS

approved

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Last modified August 22 00:43 EDT 2019. Contains 326169 sequences. (Running on oeis4.)