login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A180913
Number of sequences of n integers p(i) i=0..n-1 with 0<=p(i)<=8*i and -8<p(i)-p(i-1)<=8
1
1, 9, 116, 1611, 23354, 346392, 5215708, 79355229, 1216613579, 18760964625, 290630582210, 4518800966943, 70471597046192, 1101783607336424, 17262385062541884, 270952977605157692, 4259594371932890237
OFFSET
1,2
COMMENTS
Paths down a n-high staggered-grid minimally right-leaning right triangle with interior neighbor fanout 2*8
Column 8 of A180915
LINKS
CROSSREFS
Sequence in context: A157233 A292350 A188976 * A341964 A083305 A222146
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 23 2010
STATUS
approved