Number of nX4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 0 1 vertically.
A207804
Number of nX4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 0 1 vertically.
Terms
- a(0) =10a(1) =100a(2) =378a(3) =1970a(4) =9168a(5) =44538a(6) =212814a(7) =1022652a(8) =4904350a(9) =23540322a(10) =112961952a(11) =542115042a(12) =2601499810a(13) =12484112380a(14) =59908695042a(15) =287491745166
External references
- oeis: A207804