Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302880
Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =21a(2) =82a(3) =285a(4) =1197a(5) =7580a(6) =41498a(7) =224087a(8) =1300510a(9) =7961144a(10) =47528608a(11) =279333761a(12) =1677401880a(13) =10223444297a(14) =61648514855a(15) =368974094762
External references
- oeis: A302880