Triangle read by rows: T(n,k) = number of tilings of a n X k rectangle using 2 X 2 and 1 X 1 tiles and right trominoes, n >= 0, k=0..n.
A353963
Triangle read by rows: T(n,k) = number of tilings of a n X k rectangle using 2 X 2 and 1 X 1 tiles and right trominoes, n >= 0, k=0..n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =6a(6) =1a(7) =1a(8) =13a(9) =47a(10) =1a(11) =1a(12) =45a(13) =259a(14) =3376a(15) =1a(16) =1a(17) =122a(18) =1189a(19) =29683a(20) =475962a(21) =1a(22) =1a(23) =373a(24) =5877a(25) =311894a(26) =9250945a(27) =355724934a(28) =1a(29) =1
External references
- oeis: A353963