Number of n X 4 binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
A269007
Number of n X 4 binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =5a(1) =36a(2) =305a(3) =2136a(4) =14240a(5) =91048a(6) =566656a(7) =3456320a(8) =20760192a(9) =123186784a(10) =723791744a(11) =4218132480a(12) =24414483712a(13) =140486492800a(14) =804321836032
External references
- oeis: A269007