Number of (n+1) X (1+1) 0..2 arrays with no 2 X 2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
A251106
Number of (n+1) X (1+1) 0..2 arrays with no 2 X 2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
Terms
- a(0) =37a(1) =147a(2) =526a(3) =1844a(4) =6544a(5) =23334a(6) =83126a(7) =295938a(8) =1053609a(9) =3751373a(10) =13356805a(11) =47556710a(12) =169324797a(13) =602878211a(14) =2146538499a(15) =7642716637a(16) =27211772110a(17) =96887085837a(18) =344964943222
External references
- oeis: A251106