Squares which when subtracted from their reverse form nonzero squares.

Terms

a(0) =1296a(1) =39204a(2) =522729a(3) =525625a(4) =541696a(5) =630436a(6) =678976a(7) =833569a(8) =877969a(9) =37601424a(10) =37920964a(11) =46812964a(12) =52809289a(13) =58920976a(14) =1079056801a(15) =1232782321a(16) =1805485081a(17) =1867017681a(18) =2346821136a(19) =3104495524a(20) =3742013584a(21) =4038348304a(22) =4450490944