Squares whose digits are all positive and even.

Terms

a(0) =4a(1) =64a(2) =484a(3) =4624a(4) =8464a(5) =26244a(6) =28224a(7) =68644a(8) =228484a(9) =446224a(10) =824464a(11) =868624a(12) =2862864a(13) =8282884a(14) =8868484a(15) =22448644a(16) =26646244a(17) =44462224a(18) =82228624a(19) =82664464a(20) =222248464a(21) =284866884a(22) =662444644a(23) =866242624a(24) =4246868224a(25) =4444622224a(26) =6266622244a(27) =6282464644a(28) =6668682244a(29) =8264264464