Number of 0..2 colorings of a 3X(n+1) array circular in the n+1 direction with new values 0..2 introduced in row major order.

A214102

Number of 0..2 colorings of a 3X(n+1) array circular in the n+1 direction with new values 0..2 introduced in row major order.

Terms

    a(0) =9a(1) =4a(2) =121a(3) =180a(4) =2041a(5) =5068a(6) =37441a(7) =121588a(8) =722009a(9) =2720828a(10) =14363985a(11) =58850116a(12) =291217929a(13) =1250645324a(14) =5970338241a(15) =26327622356a(16) =123189300217a(17) =551369047260

External references