Numbers n that can be chopped into two parts, which when added and squared result in n.

Terms

a(0) =1a(1) =81a(2) =100a(3) =2025a(4) =3025a(5) =9801a(6) =10000a(7) =88209a(8) =494209a(9) =998001a(10) =1000000a(11) =4941729a(12) =7441984a(13) =23804641a(14) =24502500a(15) =25502500a(16) =28005264a(17) =52881984a(18) =60481729a(19) =99980001a(20) =100000000a(21) =300814336a(22) =493817284a(23) =1518037444a(24) =6049417284a(25) =6832014336a(26) =9048004641a(27) =9999800001a(28) =10000000000