a(n)^2 is a square composed of three '2 digit' overlapping subsquares.

Terms

a(0) =475a(1) =144003a(2) =180275a(3) =684475a(4) =940046a(5) =2593211a(6) =4750782a(7) =4753125a(8) =9600192a(9) =10400192a(10) =14600128a(11) =15002385a(12) =15400128a(13) =25005012a(14) =25005414a(15) =39529017a(16) =66466485a(17) =85002046a(18) =91390165a(19) =119600016a(20) =120400016a(21) =145002533a(22) =180027625a(23) =194001555a(24) =196000703a(25) =269400016a(26) =270600016