T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A223114
T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =4a(5) =0a(6) =6a(7) =28a(8) =22a(9) =0a(10) =16a(11) =124a(12) =269a(13) =184a(14) =0a(15) =16a(16) =832a(17) =5624a(18) =6676a(19) =1222a(20) =0a(21) =40a(22) =6092a(23) =64346a(24) =244607a(25) =92011a(26) =9918a(27) =0a(28) =280a(29) =40960
External references
- oeis: A223114