The number of tilings of the 3 X 4 X n room by 1 X 1 X 3 boxes.

A237355

The number of tilings of the 3 X 4 X n room by 1 X 1 X 3 boxes.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =92a(4) =749a(5) =4430a(6) =30076a(7) =217579a(8) =1479055a(9) =10046609a(10) =69575902a(11) =479035195a(12) =3284657308a(13) =22593041544a(14) =155444686265

External references