Sequence arising from enumeration of domino tilings of Aztec Pillow-like regions.

A092439

Sequence arising from enumeration of domino tilings of Aztec Pillow-like regions.

Terms

    a(0) =0a(1) =0a(2) =6a(3) =30a(4) =140a(5) =560a(6) =2058a(7) =7098a(8) =23472a(9) =75372a(10) =237182a(11) =735878a(12) =2260596a(13) =6896136a(14) =20933778a(15) =63325170a(16) =191089112a(17) =575626052a(18) =1731858246a(19) =5206059774a(20) =15640198620a(21) =46966732320a(22) =140996664986a(23) =423191320490

External references