Number of ways to tile a fixed circular strip of length n with squares and dominos of two different colors where there must be the same number of each color of domino.
A387514
Number of ways to tile a fixed circular strip of length n with squares and dominos of two different colors where there must be the same number of each color of domino.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =5a(4) =11a(5) =19a(6) =29a(7) =53a(8) =109a(9) =221a(10) =419a(11) =779a(12) =1483a(13) =2899a(14) =5681a(15) =11029a(16) =21319a(17) =41383a(18) =80789a(19) =158045a(20) =308981a(21) =603901a(22) =1181695a(23) =2316059a(24) =4544161a(25) =8920081a(26) =17517331a(27) =34422323a(28) =67689887a(29) =133191239
External references
- oeis: A387514