T(n,k)=Number of nXk 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.
A233217
T(n,k)=Number of nXk 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =6a(4) =23a(5) =11a(6) =23a(7) =376a(8) =452a(9) =48a(10) =99a(11) =7222a(12) =35446a(13) =10313a(14) =236a(15) =452a(16) =147019a(17) =3054973a(18) =3638416a(19) =249062a(20) =1248a(21) =2136a(22) =3054973a(23) =268289572a(24) =1340889772a(25) =380283286a(26) =6147803a(27) =6896a(28) =10313a(29) =63927526
External references
- oeis: A233217