|
Search: id:A064719
|
|
|
| A064719 |
|
A Beatty sequence for 3^i + 3^-i + 1. |
|
+0
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; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
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} ]
|
|
PROGRAM
|
(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: A160927 A038124 A059547 this_sequence A137803 A059533 A064679
Adjacent sequences: A064716 A064717 A064718 this_sequence A064720 A064721 A064722
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 13 2001
|
|
|
Search completed in 0.002 seconds
|
