Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically.
A208029
Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically.
Terms
- a(0) =9a(1) =81a(2) =279a(3) =1377a(4) =5895a(5) =26685a(6) =118179a(7) =527913a(8) =2350215a(9) =10476981a(10) =46680363a(11) =208028817a(12) =926993439a(13) =4130894781a(14) =18407971395a(15) =82029484089a(16) =365538508695
External references
- oeis: A208029