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

A368257

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

Terms

    a(0) =1a(1) =6a(2) =4a(3) =16a(4) =44a(5) =6a(6) =72a(7) =544a(8) =366a(9) =23a(10) =256a(11) =8384a(12) =21856a(13) =4244a(14) =52a(15) =1056a(16) =131584a(17) =1399512a(18) =1050128a(19) =52740a(20) =194a(21) =4096a(22) =2100224a(23) =89478656a(24) =268472384a(25) =53687104a(26) =701124a(27) =586a(28) =16512a(29) =33562624

External references