Number of nX1 0..n*1-1 arrays with upper left zero and lower right n*1-1 and each element differing from its horizontal and vertical neighbors by a power of two.
A265173
Number of nX1 0..n*1-1 arrays with upper left zero and lower right n*1-1 and each element differing from its horizontal and vertical neighbors by a power of two.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =16a(5) =79a(6) =456a(7) =2194a(8) =20801a(9) =142675a(10) =1104671a(11) =7604426a(12) =61694634a(13) =451816635a(14) =3436067731a(15) =25239520503a(16) =319613046628
External references
- oeis: A265173