Number of (n+1) X (1+1) 0..1 arrays with no 2 X 2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
A251310
Number of (n+1) X (1+1) 0..1 arrays with no 2 X 2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
Terms
- a(0) =10a(1) =25a(2) =61a(3) =149a(4) =365a(5) =894a(6) =2189a(7) =5360a(8) =13125a(9) =32139a(10) =78698a(11) =192706a(12) =471875a(13) =1155470a(14) =2829374a(15) =6928226a(16) =16964995a(17) =41541811a(18) =101722521a(19) =249085705a(20) =609930700a(21) =1493523921a(22) =3657159252a(23) =8955205609a(24) =21928415465a(25) =53695629760a(26) =131483310316
External references
- oeis: A251310