Numbers k such that k + the sum of the 4th powers of the decimal digits of k is a square.

Terms

a(0) =20a(1) =47a(2) =104a(3) =113a(4) =228a(5) =255a(6) =333a(7) =544a(8) =632a(9) =743a(10) =1054a(11) =1122a(12) =1518a(13) =1762a(14) =1901a(15) =2071a(16) =3617a(17) =4317a(18) =4432a(19) =4456a(20) =4513a(21) =4557a(22) =4727a(23) =4927a(24) =5000a(25) =5058a(26) =5080a(27) =5173a(28) =5473a(29) =5847