Number of ways to tile a 3 X 2n room with 1x2 Tatami mats. At most 3 Tatami mats may meet at a point.
3, 4, 6, 10, 16, 26, 42, 68, 110, 178, 288, 466, 754, 1220, 1974, 3194, 5168, 8362
1 seqfan posts
Sun Sep 13 18:42:04 CEST 2009 [seqfan] Re: Duplicates