Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 0 and 1 1 1 vertically.
A207899
Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 0 and 1 1 1 vertically.
Terms
- a(0) =26a(1) =676a(2) =2812a(3) =12040a(4) =49442a(5) =205258a(6) =856480a(7) =3559040a(8) =14795830a(9) =61589756a(10) =256239484a(11) =1065818440a(12) =4434375632a(13) =18449465050a(14) =76753459760a(15) =319315656274
External references
- oeis: A207899