|
|
A180910
|
|
Number of sequences of n integers p(i) i=0..n-1 with 0<=p(i)<=5*i and -5<p(i)-p(i-1)<=5
|
|
1
|
|
|
1, 6, 50, 444, 4095, 38532, 367322, 3533112, 34204975, 332775412, 3249900751, 31835316002, 312622943953, 3076226193598, 30321954730777, 299312070501364, 2958208307116218, 29268288065205160, 289847587059195157
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
Paths down a n-high staggered-grid minimally right-leaning right triangle with interior neighbor fanout 2*5
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|