|
Search: id:A157244
|
|
|
| A157244 |
|
Decimal expansion of estimate of the weakly triple-free set constant. |
|
+0
2
|
|
| 8, 0, 0, 3, 1, 9, 4, 8, 3, 8, 0, 2
(list; cons; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
COMMENT
|
This is the asymptotic density of maximal sets in {1,..,n} encompassing no set {x,2x,3x}, as n approaches infinity.
|
|
LINKS
|
F. R. K. Chung, P. Erdos and R. L. Graham, On Sparse Sets Hitting Linear Forms, Number Theory for the Millennium, v. 1, Proc. 2000 Urbana conf., A. K. Peters, 2002, pp. 257-272.
S. R. Finch, Triple-Free Sets of Integers
|
|
EXAMPLE
|
0.800319483802... = 1 - 0.199680516197
|
|
CROSSREFS
|
Cf. A157245.
Sequence in context: A028608 A028600 A047758 this_sequence A154191 A010771 A167261
Adjacent sequences: A157241 A157242 A157243 this_sequence A157245 A157246 A157247
|
|
KEYWORD
|
cons,more,nonn
|
|
AUTHOR
|
S. R. Finch (Steven.Finch(AT)inria.fr), Feb 25 2009, Feb 27 2009
|
|
|
Search completed in 0.002 seconds
|
