Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to vertical reflections by two tiles that are each fixed under vertical reflection.
A368260
Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to vertical reflections by two tiles that are each fixed under vertical reflection.
Terms
- a(0) =2a(1) =3a(2) =3a(3) =6a(4) =7a(5) =4a(6) =10a(7) =24a(8) =14a(9) =6a(10) =20a(11) =76a(12) =100a(13) =40a(14) =8a(15) =36a(16) =288a(17) =700a(18) =564a(19) =108a(20) =14a(21) =72a(22) =1072a(23) =5560a(24) =8296a(25) =3384a(26) =362a(27) =20a(28) =136a(29) =4224
External references
- oeis: A368260