T(n,k)=Number of 2nX2k 0..2 arrays with values 0..2 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.
A198452
T(n,k)=Number of 2nX2k 0..2 arrays with values 0..2 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.
Terms
- a(0) =3a(1) =13a(2) =13a(3) =71a(4) =177a(5) =71a(6) =433a(7) =1399a(8) =1399a(9) =433a(10) =2763a(11) =14109a(12) =26704a(13) =14109a(14) =2763a(15) =17941a(16) =146187a(17) =421185a(18) =421185a(19) =146187a(20) =17941a(21) =117263a(22) =1532249a(23) =7302285a(24) =13048509a(25) =7302285a(26) =1532249a(27) =117263a(28) =768313a(29) =16411255
External references
- oeis: A198452