Number of nX3 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300607
Number of nX3 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =10a(2) =53a(3) =277a(4) =1432a(5) =7514a(6) =39330a(7) =205958a(8) =1078479a(9) =5647607a(10) =29574290a(11) =154869427a(12) =810992627a(13) =4246863308a(14) =22239224467a(15) =116458451229a(16) =609849090084
External references
- oeis: A300607