Squares k^2 whose digits appear in k.

Terms

a(0) =0a(1) =1a(2) =100a(3) =10000a(4) =55225a(5) =1000000a(6) =1100401a(7) =1525225a(8) =5522500a(9) =8898289a(10) =22676644a(11) =23348224a(12) =100000000a(13) =107661376a(14) =110040100a(15) =110103049a(16) =110166016a(17) =119311929a(18) =125552025a(19) =152152225a(20) =152522500a(21) =153388225a(22) =155002500a(23) =160022500a(24) =204204100a(25) =219899241a(26) =262602025