Integers k containing only odd digits, except the last digit, such that k^2 is composed of only even digits.

A385300

Integers k containing only odd digits, except the last digit, such that k^2 is composed of only even digits.

Terms

    a(0) =2a(1) =8a(2) =78a(3) =92a(4) =932a(5) =7798a(6) =51192a(7) =939398a(8) =5157798a(9) =7797578a(10) =7797978a(11) =9393978a(12) =15119592a(13) =15773398a(14) =53179378a(15) =53559332a(16) =77979998a(17) =79175932a(18) =155139378a(19) =157759592a(20) =517751738a(21) =535393932a(22) =917933998a(23) =939597798a(24) =1511979592a(25) =5157759592a(26) =7771757978a(27) =7775735378a(28) =9393959798

External references