Number of nX3 arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.
A221342
Number of nX3 arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.
Terms
- a(0) =7a(1) =137a(2) =2856a(3) =60807a(4) =1299057a(5) =27767394a(6) =593562702a(7) =12688126159a(8) =271223239234
External references
- oeis: A221342