Numbers that are both lucky and square.

Terms

a(0) =1a(1) =9a(2) =25a(3) =49a(4) =169a(5) =289a(6) =361a(7) =529a(8) =729a(9) =841a(10) =961a(11) =1369a(12) =2209a(13) =3481a(14) =3721a(15) =3969a(16) =4761a(17) =5041a(18) =7921a(19) =9409a(20) =9801a(21) =10609a(22) =12321a(23) =15129a(24) =17689a(25) =20449a(26) =21609a(27) =24025a(28) =24649a(29) =32041