Numbers n such that the decimal number concat(3,n) is a square.

Terms

a(0) =6a(1) =24a(2) =61a(3) =136a(4) =249a(5) =364a(6) =481a(7) =600a(8) =721a(9) =844a(10) =969a(11) =1329a(12) =1684a(13) =2041a(14) =2400a(15) =2761a(16) =3124a(17) =3489a(18) =3856a(19) =4225a(20) =4596a(21) =4969a(22) =5344a(23) =5721a(24) =6100a(25) =6481a(26) =6864a(27) =7249a(28) =7636a(29) =8025