The PI index of the Aztec diamond AZ(n) (see the Imran et al. reference).

Terms

a(0) =108a(1) =888a(2) =3268a(3) =8560a(4) =18460a(5) =35048a(6) =60788a(7) =98528a(8) =151500a(9) =223320a(10) =317988a(11) =439888a(12) =593788a(13) =784840a(14) =1018580a(15) =1300928a(16) =1638188a(17) =2037048a(18) =2504580a(19) =3048240a(20) =3675868a(21) =4395688a(22) =5216308a(23) =6146720a(24) =7196300a(25) =8374808a(26) =9692388a(27) =11159568a(28) =12787260a(29) =14586760