|
| |
|
|
A089808
|
|
a(n) = floor[ 1/((n*r) mod 1)], where r = phi^(-2) = (3 - sqrt(5))/2.
|
|
3
| |
|
|
2, 1, 6, 1, 1, 3, 1, 17, 2, 1, 4, 1, 1, 2, 1, 8, 2, 1, 3, 1, 46, 2, 1, 5, 1, 1, 3, 1, 12, 2, 1, 4, 1, 1, 2, 1, 7, 1, 1, 3, 1, 23, 2, 1, 5, 1, 1, 2, 1, 10, 2, 1, 4, 1, 122, 2, 1, 6, 1, 1, 3, 1, 15, 2, 1, 4, 1, 1, 2, 1, 8, 1, 1, 3, 1, 33, 2, 1, 5, 1, 1, 3, 1, 11, 2, 1, 4, 1, 1, 2, 1, 7, 1, 1, 3, 1, 19, 2, 1, 5, 1
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| 1. a(n) = 1 iff A024569 is not 1, (A024569 = 1, 4, 1, 2, 11, 1, 3, 1, 1...) 2. a(n) = 1 iff A078588 = 0. 3. a(n) = 1 iff A089809 = 1.
|
|
|
EXAMPLE
| a(6) = 3. Take 6*r = 2.29179...( mod 1) = .29179...; invert = 3.42705...and delete the fractional part, getting 3.
|
|
|
CROSSREFS
| Cf. A024569, A078588, A089809.
Sequence in context: A060480 A094673 A196839 * A139547 A126342 A082388
Adjacent sequences: A089805 A089806 A089807 * A089809 A089810 A089811
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 11 2003
|
|
|
EXTENSIONS
| More terms from Sam Alexander (amnalexander(AT)yahoo.com), Nov 16 2003
|
| |
|
|
