Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 1 1 vertically.
A207850
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 1 1 vertically.
Terms
- a(0) =42a(1) =1764a(2) =6216a(3) =35952a(4) =185136a(5) =1006572a(6) =5346600a(7) =28935984a(8) =154692048a(9) =835671396a(10) =4480109592a(11) =24171724080a(12) =129787001904a(13) =699638944620
External references
- oeis: A207850