Number of incongruent ways to tile a 5 X 2n room with 1x2 Tatami mats. At most 3 Tatami mats may meet at a point.

A068930

Number of incongruent ways to tile a 5 X 2n room with 1x2 Tatami mats. At most 3 Tatami mats may meet at a point.

Terms

    a(0) =4a(1) =2a(2) =1a(3) =1a(4) =1a(5) =2a(6) =2a(7) =3a(8) =3a(9) =5a(10) =5a(11) =8a(12) =9a(13) =13a(14) =15a(15) =22a(16) =26a(17) =37a(18) =45a(19) =63a(20) =78a(21) =108a(22) =136a(23) =186a(24) =237a(25) =322a(26) =414a(27) =559a(28) =724a(29) =973

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