Number of (n+1) X (1+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.
A251194
Number of (n+1) X (1+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) =10a(1) =25a(2) =64a(3) =164a(4) =421a(5) =1081a(6) =2776a(7) =7129a(8) =18308a(9) =47017a(10) =120745a(11) =310087a(12) =796339a(13) =2045090a(14) =5252026a(15) =13487806a(16) =34638235a(17) =88954966a(18) =228446570a(19) =586677031a(20) =1506654001a(21) =3869260528a(22) =9936705457a(23) =25518600938a(24) =65534698261a(25) =168300632413
External references
- oeis: A251194