Number of (n+1) X 3 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors.

A206261

Number of (n+1) X 3 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors.

Terms

    a(0) =24a(1) =28a(2) =44a(3) =64a(4) =93a(5) =128a(6) =174a(7) =228a(8) =295a(9) =372a(10) =464a(11) =568a(12) =689a(13) =824a(14) =978a(15) =1148a(16) =1339a(17) =1548a(18) =1780a(19) =2032a(20) =2309a(21) =2608a(22) =2934a(23) =3284a(24) =3663a(25) =4068a(26) =4504a(27) =4968a(28) =5465a(29) =5992

External references