Number of 3 X n binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
A269013
Number of 3 X n binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =0a(1) =15a(2) =46a(3) =305a(4) =1078a(5) =4948a(6) =18210a(7) =73277a(8) =270458a(9) =1026795a(10) =3757996a(11) =13847240a(12) =50155940a(13) =181596651a(14) =651546278a(15) =2331910405a(16) =8300115170a(17) =29460799452a(18) =104176325510a(19) =367430075801
External references
- oeis: A269013