Number of (n+1) X (5+1) 0..1 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.
A251125
Number of (n+1) X (5+1) 0..1 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) =125a(1) =193a(2) =272a(3) =401a(4) =580a(5) =854a(6) =1268a(7) =1912a(8) =2921a(9) =4520a(10) =7069a(11) =11153a(12) =17717a(13) =28291a(14) =45350a(15) =72899a(16) =117418a(17) =189392a(18) =305786a(19) =494050a(20) =798599a(21) =1291298a(22) =2088427a(23) =3378131a(24) =5464835a(25) =8841109a(26) =14303948a(27) =23142917a(28) =37444576a(29) =60585050
External references
- oeis: A251125