A064717 A Beatty sequence for 2^i + 2^(-i) where i = sqrt(-1).

1, 3, 4, 6, 7, 9, 10, 12, 13, 15, 16, 18, 20, 21, 23, 24, 26, 27, 29, 30, 32, 33, 35, 36, 38, 40, 41, 43, 44, 46, 47, 49, 50, 52, 53, 55, 56, 58, 60, 61, 63, 64, 66, 67, 69, 70, 72, 73, 75, 76, 78, 80, 81, 83, 84, 86, 87, 89, 90, 92, 93, 95, 96, 98, 100, 101, 103, 104, 106

Offset

1,2

Comments

2^i + 2^-i ~= 1.53847780272794425315665998732254140... ~= 20/13.

Links

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

Mathematica

a = Chop[ N[ 2^I + 2^-I, 36], 10^-40]; Table[ Floor[n*a], {n, 1, 75} ]

Prog

(PARI) { default(realprecision, 100); b=real(2^I + 2^-I); for (n = 1, 2000, write("b064717.txt", n, " ", floor(n*b)) ) } \\ Harry J. Smith, Sep 23 2009

Crossrefs

Cf. A064718, A237192.

Sequence in context: A329987 A329962 A258574 * A109231 A140098 A226901

Adjacent sequences: A064714 A064715 A064716 * A064718 A064719 A064720

Keyword

easy,nonn

Author

Robert G. Wilson v, Oct 13 2001

Status

approved