Number of (n+1) X (7+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.

A250741

Number of (n+1) X (7+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) =258a(1) =262a(2) =270a(3) =286a(4) =318a(5) =382a(6) =510a(7) =766a(8) =1278a(9) =2302a(10) =4350a(11) =8446a(12) =16638a(13) =33022a(14) =65790a(15) =131326a(16) =262398a(17) =524542a(18) =1048830a(19) =2097406a(20) =4194558a(21) =8388862a(22) =16777470a(23) =33554686a(24) =67109118a(25) =134217982a(26) =268435710a(27) =536871166a(28) =1073742078a(29) =2147483902

External references