Number of (n+1) X (2+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements.
A251195
Number of (n+1) X (2+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements.
Terms
- a(0) =25a(1) =86a(2) =310a(3) =1135a(4) =4172a(5) =15353a(6) =56519a(7) =208082a(8) =766105a(9) =2820622a(10) =10384911a(11) =38234978a(12) =140772894a(13) =518295264a(14) =1908250809a(15) =7025765815a(16) =25867346793a(17) =95237963740a(18) =350645538289
External references
- oeis: A251195