Number of (n+1)X4 0..3 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.
A203736
Number of (n+1)X4 0..3 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) =2166a(1) =23442a(2) =178836a(3) =1091807a(4) =5538127a(5) =24571387a(6) =97540896a(7) =354255616a(8) =1193326532a(9) =3773616303a(10) =11299780073a(11) =32279594497a(12) =88480603759a(13) =233878516412a(14) =598578697010
External references
- oeis: A203736