Number of (n+1)X(4+1) 0..1 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
A251313
Number of (n+1)X(4+1) 0..1 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
Terms
- a(0) =149a(1) =720a(2) =3369a(3) =16006a(4) =76167a(5) =361845a(6) =1720147a(7) =8186775a(8) =38968823a(9) =185439356a(10) =882418813a(11) =4199534512a(12) =19986994528a(13) =95122402403a(14) =452701564741
External references
- oeis: A251313