T(n,k)=Number of nXk 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically, with no adjacent values equal.

A232065

T(n,k)=Number of nXk 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically, with no adjacent values equal.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =4a(4) =6a(5) =4a(6) =6a(7) =14a(8) =14a(9) =6a(10) =10a(11) =30a(12) =46a(13) =30a(14) =10a(15) =16a(16) =66a(17) =130a(18) =130a(19) =66a(20) =16a(21) =26a(22) =146a(23) =410a(24) =534a(25) =410a(26) =146a(27) =26a(28) =42a(29) =322

External references