|
|
A269770
|
|
Number of length-n 0..n arrays with every repeated value unequal to the previous repeated value plus one mod n+1.
|
|
1
|
|
|
2, 9, 64, 620, 7680, 115920, 2063880, 42342912, 983566800, 25515160000, 731128554024, 22934195241984, 781644611944014, 28761550510694400, 1136386416816000000, 47984229920230342656, 2156419762355192954760
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=6
..1. .4. .5. .2. .2. .1. .1. .3. .1. .0. .0. .2. .3. .0. .6. .4
..2. .0. .2. .2. .2. .5. .1. .1. .1. .5. .4. .0. .4. .5. .2. .2
..1. .6. .1. .0. .5. .1. .5. .2. .2. .0. .1. .2. .3. .4. .0. .1
..1. .6. .5. .0. .6. .6. .3. .2. .6. .1. .6. .0. .6. .5. .2. .5
..5. .5. .2. .2. .0. .6. .4. .5. .3. .4. .4. .1. .0. .4. .1. .5
..4. .6. .6. .2. .0. .4. .3. .2. .3. .6. .1. .1. .2. .5. .4. .6
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|