Number of (n+1) X (5+1) 0..2 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.
A251134
Number of (n+1) X (5+1) 0..2 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.
Terms
- a(0) =2129a(1) =4786a(2) =8050a(3) =14753a(4) =25597a(5) =46023a(6) =82431a(7) =151567a(8) =282371a(9) =536601a(10) =1033153a(11) =2013629a(12) =3956545a(13) =7822675a(14) =15528811a(15) =30912211a(16) =61642567a(17) =123062869a(18) =245854205a(19) =491382289a(20) =982373589a(21) =1964284511a(22) =3928022839a(23) =7855407543a(24) =15710071467
External references
- oeis: A251134