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%I #11 Dec 22 2016 02:45:48
%S 1,3,5,7,9,11,13,15,17,19,21,22,24,26,28,30,32,34,36,38,40,42,43,45,
%T 47,49,51,53,55,57,59,61,63,64,66,68,70,72,74,76,78,80,82,84,85,87,89,
%U 91,93,95,97,99,101,103,105,106,108,110,112,114,116,118,120,122,124,126
%N A Beatty sequence for 3^i + 3^-i + 1.
%C 3^i + 3^-i + 1 ~= 1.90966484565321951005513028719008497... ~= 21/11.
%H Harry J. Smith, <a href="/A064719/b064719.txt">Table of n, a(n) for n = 1..2000</a>
%t a = Chop[ N[ 3^I + 3^-I +1, 36], 10^-40]; Table[ Floor[n*a)], {n, 1, 75} ]
%o (PARI) { default(realprecision, 100); b=real(3^I + 3^-I) + 1; for (n = 1, 2000, write("b064719.txt", n, " ", floor(n*b)) ) } \\ _Harry J. Smith_, Sep 23 2009
%Y Cf. A064720.
%Y Cf. A059547. - _R. J. Mathar_, Oct 02 2008
%K easy,nonn
%O 1,2
%A _Robert G. Wilson v_, Oct 13 2001
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