T(n,k)=Number of nXk 0..1 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors.
A231515
T(n,k)=Number of nXk 0..1 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors.
Terms
- a(0) =2a(1) =2a(2) =2a(3) =4a(4) =6a(5) =4a(6) =7a(7) =14a(8) =14a(9) =7a(10) =12a(11) =35a(12) =78a(13) =35a(14) =12a(15) =21a(16) =90a(17) =343a(18) =343a(19) =90a(20) =21a(21) =37a(22) =225a(23) =1537a(24) =2594a(25) =1537a(26) =225a(27) =37a(28) =65a(29) =569
External references
- oeis: A231515