Number of (n+1) X (2+1) 0..2 arrays with no 2 X 2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
A251107
Number of (n+1) X (2+1) 0..2 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) =147a(1) =810a(2) =3616a(3) =15281a(4) =67518a(5) =304870a(6) =1369052a(7) =6118942a(8) =27356256a(9) =122402144a(10) =547700666a(11) =2450461705a(12) =10963429165a(13) =49051483677a(14) =219461893981a(15) =981894966609
External references
- oeis: A251107