Can express a(n) with the digits of a(n)^2 in order, only adding plus signs.

Terms

a(0) =0a(1) =1a(2) =9a(3) =10a(4) =36a(5) =45a(6) =55a(7) =82a(8) =91a(9) =99a(10) =100a(11) =235a(12) =297a(13) =369a(14) =370a(15) =379a(16) =414a(17) =657a(18) =675a(19) =703a(20) =756a(21) =792a(22) =909a(23) =918a(24) =945a(25) =964a(26) =990a(27) =991a(28) =999a(29) =1000