Number of n X 3 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300968
Number of n X 3 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =11a(2) =72a(3) =459a(4) =2956a(5) =18996a(6) =122043a(7) =784108a(8) =5037730a(9) =32366408a(10) =207947716a(11) =1336022660a(12) =8583679582a(13) =55148432350a(14) =354317698174
External references
- oeis: A300968