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A064719 A Beatty sequence for 3^i + 3^-i + 1. 2
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

3^i + 3^-i + 1 ~= 1.90966484565321951005513028719008497... ~= 21/11.

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,2000

MATHEMATICA

a = Chop[ N[ 3^I + 3^-I +1, 36], 10^-40]; Table[ Floor[n*a)], {n, 1, 75} ]

PROG

(PARI) { default(realprecision, 100); b=real(3^I + 3^-I) + 1; for (n = 1, 2000, write("b064719.txt", n, " ", floor(n*b)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 23 2009]

CROSSREFS

Cf. A064720.

Cf. A059547. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 02 2008]

Sequence in context: A172273 A187349 A059547 * A137803 A059533 A189397

Adjacent sequences:  A064716 A064717 A064718 * A064720 A064721 A064722

KEYWORD

easy,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 13 2001

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Last modified February 17 12:38 EST 2012. Contains 206021 sequences.