Number of (n+1)X8 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.
A203727
Number of (n+1)X8 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.
Terms
- a(0) =13665a(1) =69612a(2) =367595a(3) =1728140a(4) =7508980a(5) =29840078a(6) =108633030a(7) =365326803a(8) =1143413488a(9) =3354616070a(10) =9280999295a(11) =24345047529a(12) =60836152145a(13) =145450899834a(14) =333992270229a(15) =739111273479
External references
- oeis: A203727