Number of (n+1) X (2+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
A251222
Number of (n+1) X (2+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
Terms
- a(0) =49a(1) =305a(2) =1892a(3) =11753a(4) =72985a(5) =453273a(6) =2814985a(7) =17482154a(8) =108570830a(9) =674266427a(10) =4187452312a(11) =26005680486a(12) =161505221644
External references
- oeis: A251222