T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.
A238929
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.
Terms
- a(0) =12a(1) =116a(2) =36a(3) =782a(4) =864a(5) =144a(6) =5008a(7) =13090a(8) =13456a(9) =540a(10) =34302a(11) =191086a(12) =611524a(13) =176224a(14) =2052a(15) =238418a(16) =3025468a(17) =25080064a(18) =22636472a(19) =2391340a(20) =7776a(21) =1646042a(22) =48511734a(23) =1176627204a(24) =2531484558a(25) =873385842a(26) =32225410a(27) =29484a(28) =11326068a(29) =773430790
External references
- oeis: A238929