Number of (n+1) X 8 0..1 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.

A204650

Number of (n+1) X 8 0..1 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) =216a(1) =283a(2) =637a(3) =1478a(4) =3261a(5) =6780a(6) =13314a(7) =24862a(8) =44426a(9) =76378a(10) =126906a(11) =204583a(12) =321038a(13) =491781a(14) =737163a(15) =1083525a(16) =1564519a(17) =2222657a(18) =3111073a(19) =4295556a(20) =5856841a(21) =7893218a(22) =10523448a(23) =13890048a(24) =18162936a(25) =23543500a(26) =30269084a(27) =38617957a(28) =48914760a(29) =61536499

External references