Number of (n+1) X (5+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nonincreasing x(i,j)-x(i-1,j) in the j direction.

A250739

Number of (n+1) X (5+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nonincreasing x(i,j)-x(i-1,j) in the j direction.

Terms

    a(0) =66a(1) =70a(2) =78a(3) =94a(4) =126a(5) =190a(6) =318a(7) =574a(8) =1086a(9) =2110a(10) =4158a(11) =8254a(12) =16446a(13) =32830a(14) =65598a(15) =131134a(16) =262206a(17) =524350a(18) =1048638a(19) =2097214a(20) =4194366a(21) =8388670a(22) =16777278a(23) =33554494a(24) =67108926a(25) =134217790a(26) =268435518a(27) =536870974a(28) =1073741886a(29) =2147483710

External references