Number of 3Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically.
A207392
Number of 3Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically.
Terms
- a(0) =6a(1) =36a(2) =98a(3) =271a(4) =834a(5) =2307a(6) =6115a(7) =16544a(8) =44250a(9) =116526a(10) =307117a(11) =808976a(12) =2122787a(13) =5564987a(14) =14588870a(15) =38216326a(16) =100064540a(17) =261992129a(18) =685862456a(19) =1795255303a(20) =4698927663a(21) =12298716264a(22) =32188880680a(23) =84245176534a(24) =220486127041
External references
- oeis: A207392