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A051191 2^(2^n-2). 0
1, 4, 64, 16384, 1073741824, 4611686018427387904, 85070591730234615865843651857942052864, 28948022309329048855892746252171976963317496166410141009864396001978282409984 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The next term -- a(9) -- has 154 digits.  [From Harvey P. Dale, Apr 13 2012]

LINKS

Table of n, a(n) for n=1..8.

MATHEMATICA

2^(2^Range[9]-2) (* Harvey P. Dale, Apr 13 2012 *)

CROSSREFS

Sequence in context: A326868 A211214 A229867 * A120581 A146520 A030176

Adjacent sequences:  A051188 A051189 A051190 * A051192 A051193 A051194

KEYWORD

nonn,easy

AUTHOR

Matt Kasper (matt192837(AT)hotmail.com)

EXTENSIONS

One additional term -- a(8) -- added by Harvey P. Dale, Apr 13 2012

STATUS

approved

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Last modified October 21 00:18 EDT 2021. Contains 348119 sequences. (Running on oeis4.)