Number of nX4 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300535
Number of nX4 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =16a(2) =36a(3) =300a(4) =1436a(5) =8974a(6) =52012a(7) =311037a(8) =1845926a(9) =11005063a(10) =65583577a(11) =390991796a(12) =2331383710a(13) =13900965032a(14) =82892406341a(15) =494278699068
External references
- oeis: A300535