Number of black square subarrays of (n+1) X (2+1) binary arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with upper left element zero.
A231067
Number of black square subarrays of (n+1) X (2+1) binary arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with upper left element zero.
Terms
- a(0) =1a(1) =3a(2) =4a(3) =11a(4) =15a(5) =42a(6) =57a(7) =161a(8) =218a(9) =617a(10) =835a(11) =2364a(12) =3199a(13) =9057a(14) =12256a(15) =34699a(16) =46955a(17) =132938a(18) =179893a(19) =509309a(20) =689202a(21) =1951253a(22) =2640455a(23) =7475596a(24) =10116051a(25) =28640333a(26) =38756384a(27) =109726191a(28) =148482575a(29) =420380482
External references
- oeis: A231067