Number of 5Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.
A208144
Number of 5Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =10a(1) =100a(2) =450a(3) =2025a(4) =6300a(5) =19600a(6) =49000a(7) =122500a(8) =264600a(9) =571536a(10) =1111320a(11) =2160900a(12) =3880800a(13) =6969600a(14) =11761200a(15) =19847025a(16) =31853250a(17) =51122500a(18) =78728650a(19) =121242121a(20) =180360180a(21) =268304400a(22) =387550800a(23) =559795600a(24) =788351200a(25) =1110222400a(26) =1529388000
External references
- oeis: A208144