Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 1 1 vertically.
A209222
Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 1 1 vertically.
Terms
- a(0) =25a(1) =625a(2) =576a(3) =1296a(4) =2500a(5) =5476a(6) =11664a(7) =22500a(8) =51076a(9) =106276a(10) =213444a(11) =462400a(12) =980100a(13) =2016400a(14) =4194304a(15) =9036036a(16) =18835600a(17) =38588944a(18) =82846404a(19) =174715524a(20) =358420624a(21) =758341444a(22) =1612986244a(23) =3336910756a(24) =6965237764a(25) =14838163344a(26) =31009096836
External references
- oeis: A209222