Number of domino tilings of a 3-pillow of order n.

A112833

Number of domino tilings of a 3-pillow of order n.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =20a(4) =117a(5) =1024a(6) =13357a(7) =259920a(8) =7539421a(9) =326177280a(10) =21040987113

External references