Crystal ball sequence for the A2 x A2 lattice.

Terms

a(0) =1a(1) =13a(2) =73a(3) =253a(4) =661a(5) =1441a(6) =2773a(7) =4873a(8) =7993a(9) =12421a(10) =18481a(11) =26533a(12) =36973a(13) =50233a(14) =66781a(15) =87121a(16) =111793a(17) =141373a(18) =176473a(19) =217741a(20) =265861a(21) =321553a(22) =385573a(23) =458713a(24) =541801a(25) =635701a(26) =741313a(27) =859573a(28) =991453a(29) =1137961