login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A326345
a(n) is the number of arm movements when expressing n in flag semaphore, counting the movement of each arm separately.
0
6, 6, 6, 6, 5, 5, 6, 6, 6, 5, 7, 6, 7
OFFSET
0,1
COMMENTS
Each number is followed by the "rest"/"space" position, crossing both arms in front of the body, adding two further movements to each flag sequence.
EXAMPLE
n Flag sequence
0 __ __
| | /\ | |
|__| / / |__|
| /\/ |
| / |
/
/
/\
/ /
\/
1 __
| | /\
|__| / /
| /\/
| /
/ |
/ |
/\ __|
/ / | |
\/ |__|
2 __
| | /\
|__| / /
| /\/
| / ----------
|____| |
|
__|
| |
|__|
3
__
| | /\ /\
|__| / / \ \
| /\/ \/\
| / \
|
|
__|
| |
|__|
4 __ __
| | /\ | |
|__| / / |__|
| /\/ |
| / |
|
|
__|
| |
|__|
5 __
| | /\ /\
|__| / / / /
| /\/ /\/
| / /
|
|
|__
| |
|__|
6 __
| | /\
|__| / /
| /\/
| / ----------
| |____|
|
|__
| |
|__|
7 __
| | /\
|__| / /
| /\/
| /
| \
| \
|__ /\
| | \ \
|__| \/
8 __
| | /\
|__| / /
| /\/
| / ----------
|____| /
/
/\
/ /
\/
9 __ __
| | /\ | |
|__| / / |__|
| /\/ |
| / |
/
/
/\
/ /
\/
10 __ __
| | /\ | |
|__| / / |__|
| /\/ |
| / |
/ | /
/ | /
/\ __| /\
/ / | | / /
\/ |__| \/
11 __
| | /\
|__| / /
| /\/
| /
/ | / |
/ | / |
/\ __| /\ __|
/ / | | / / | |
\/ |__| \/ |__|
12 __
| | /\
|__| / /
| /\/
| / ----------
/ | |____| |
/ | |
/\ __| __|
/ / | | | |
\/ |__| |__|
CROSSREFS
Cf. A321332.
Sequence in context: A292091 A080066 A144539 * A090143 A254730 A090611
KEYWORD
nonn,word,base,more
AUTHOR
Felix Fröhlich, Sep 11 2019
STATUS
approved