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, 6, 50, 444, 4095, 38532, 367322, 3533112, 34204975, 332775412, 3249900751, 31835316002, 312622943953, 3076226193598, 30321954730777, 299312070501364, 2958208307116218, 29268288065205160, 289847587059195157

Offset

1,2

Comments

Paths down a n-high staggered-grid minimally right-leaning right triangle with interior neighbor fanout 2*5

Column 5 of A180915

Links

R. H. Hardin, Table of n, a(n) for n=1..100

Crossrefs

Sequence in context: A027330 A090409 A212233 * A199680 A039742 A243667

Adjacent sequences: A180907 A180908 A180909 * A180911 A180912 A180913

Keyword

nonn

Author

R. H. Hardin Sep 23 2010

Status

approved