Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal reflection by an asymmetric tile.

A368259

Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal reflection by an asymmetric tile.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =4a(4) =6a(5) =2a(6) =8a(7) =20a(8) =12a(9) =4a(10) =16a(11) =72a(12) =88a(13) =39a(14) =4a(15) =32a(16) =272a(17) =688a(18) =538a(19) =104a(20) =9a(21) =64a(22) =1056a(23) =5472a(24) =8292a(25) =3280a(26) =366a(27) =10a(28) =128a(29) =4160

External references