Number of n X 5 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically.
A207782
Number of n X 5 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically.
Terms
- a(0) =13a(1) =169a(2) =611a(3) =2173a(4) =6766a(5) =22322a(6) =75557a(7) =246840a(8) =813373a(9) =2700122a(10) =8903029a(11) =29382065a(12) =97138711a(13) =320761206a(14) =1059193011a(15) =3498970917a(16) =11556218541a(17) =38166121069a(18) =126060198626a(19) =416354317573
External references
- oeis: A207782