Number of (n+1) X (6+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.

A251135

Number of (n+1) X (6+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) =4699a(1) =9786a(2) =15830a(3) =27738a(4) =46023a(5) =79226a(6) =135959a(7) =240780a(8) =434193a(9) =804400a(10) =1519053a(11) =2920510a(12) =5684595a(13) =11169870a(14) =22084427a(15) =43851224a(16) =87307005a(17) =174131892a(18) =347676817a(19) =694650138a(20) =1388459119a(21) =2775924642a(22) =5550678879a(23) =11099992388a(24) =22198396553

External references