Number of 4Xn 0..1 arrays with no more than floor(4Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
A223015
Number of 4Xn 0..1 arrays with no more than floor(4Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =8a(1) =34a(2) =169a(3) =840a(4) =4685a(5) =27159a(6) =162547a(7) =990115a(8) =6118763a(9) =38172647a(10) =239969655a(11) =1517064784a(12) =9633861872a(13) =61400164050a(14) =392501061255
External references
- oeis: A223015