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 absolute difference of its antidiagonal elements.
A251086
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 absolute difference of its antidiagonal elements.
Terms
- a(0) =1782a(1) =4848a(2) =8284a(3) =15780a(4) =27040a(5) =47932a(6) =82898a(7) =147152a(8) =263698a(9) =484744a(10) =907152a(11) =1730716a(12) =3347340a(13) =6546772a(14) =12900694a(15) =25558280a(16) =50809934a(17) =101242144a(18) =202019812a(19) =403478292a(20) =806280088a(21) =1611755628a(22) =3222557434a(23) =6443995840a(24) =12886683050
External references
- oeis: A251086