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.
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.
Terms
- a(0) =1a(1) =9a(2) =116a(3) =1611a(4) =23354a(5) =346392a(6) =5215708a(7) =79355229a(8) =1216613579a(9) =18760964625a(10) =290630582210
External references
- oeis: A180913