Maximum number of 6 sphinx tile shapes in a sphinx tiled hexagon of order n.

Terms

a(0) =30a(1) =132a(2) =306a(3) =552a(4) =870a(5) =1260a(6) =1722a(7) =2256a(8) =2862a(9) =3540a(10) =4290a(11) =5112a(12) =6006a(13) =6972a(14) =8010a(15) =9120a(16) =10302a(17) =11556a(18) =12882a(19) =14280a(20) =15750a(21) =17292a(22) =18906a(23) =20592a(24) =22350a(25) =24180a(26) =26082a(27) =28056a(28) =30102a(29) =32220