Number of n X 3 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A279263
Number of n X 3 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =2a(1) =10a(2) =29a(3) =86a(4) =240a(5) =626a(6) =1603a(7) =4030a(8) =9973a(9) =24388a(10) =59068a(11) =141920a(12) =338689a(13) =803630a(14) =1897359a(15) =4460226a(16) =10444904a(17) =24376990a(18) =56720671a(19) =131619998a(20) =304674313a(21) =703690416a(22) =1621976820a(23) =3731637260a(24) =8570604669a(25) =19653441614a(26) =45002040707
External references
- oeis: A279263