Number of n X 2 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
A231645
Number of n X 2 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
Terms
- a(0) =3a(1) =35a(2) =104a(3) =341a(4) =1189a(5) =4040a(6) =13560a(7) =45803a(8) =155131a(9) =524683a(10) =1773770a(11) =5998876a(12) =20290918a(13) =68629108a(14) =232120783a(15) =785115525a(16) =2655576210a(17) =8982247095a(18) =30381769982a(19) =102764504913a(20) =347595681724
External references
- oeis: A231645