|
| |
|
|
A074292
|
|
Dominant digit in successive groups of 3 from the Kolakoski sequence (A000002).
|
|
4
| |
|
|
2, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,1
|
|
|
COMMENTS
| This appears to be the same as a sequence studied by Claude Lenormand in a letter dated Nov 17 2003: break up the Kolakoski sequence (A000002) into runs of identical symbols and omit one symbol from each run.
|
|
|
LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 0..10000
|
|
|
FORMULA
| a(n)=A000002(3n-2)+A000002(3n-1)+A000002(3n)-3. - Benoit Cloitre (benoit7848c(AT)orange.fr), Nov 15 2003
a(n)=A000002(A078649(n)) - Benoit Cloitre (benoit7848c(AT)orange.fr), Oct 16 2005
|
|
|
EXAMPLE
| Kolakoski begins (1,2,2),(1,1,2),(1,2,2),(1,2,2), so this begins 2,1,2,2.
|
|
|
CROSSREFS
| Cf. A074293, A074295.
Sequence in context: A085028 A087888 A109494 * A156257 A097867 A075344
Adjacent sequences: A074289 A074290 A074291 * A074293 A074294 A074295
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Jon Perry (perry(AT)globalnet.co.uk), Sep 21 2002
|
|
|
EXTENSIONS
| More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 16 2003
|
| |
|
|
