Number of (n+1) X (5+1) 0..1 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally and vertically.

A253156

Number of (n+1) X (5+1) 0..1 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally and vertically.

Terms

    a(0) =181a(1) =192a(2) =201a(3) =236a(4) =308a(5) =452a(6) =740a(7) =1316a(8) =2468a(9) =4772a(10) =9380a(11) =18596a(12) =37028a(13) =73892a(14) =147620a(15) =295076a(16) =589988a(17) =1179812a(18) =2359460a(19) =4718756a(20) =9437348a(21) =18874532a(22) =37748900a(23) =75497636a(24) =150995108a(25) =301990052a(26) =603979940a(27) =1207959716a(28) =2415919268a(29) =4831838372

External references