Squares with property that digits alternate in parity individually as well as in concatenation with previous terms.

A068888

Squares with property that digits alternate in parity individually as well as in concatenation with previous terms.

Terms

    a(0) =1a(1) =4a(2) =9a(3) =25a(4) =49a(5) =81a(6) =256a(7) =361a(8) =676a(9) =729a(10) =4761a(11) =6561a(12) =41616a(13) =56169a(14) =69696a(15) =72361a(16) =87616a(17) =96721a(18) =212521a(19) =214369a(20) =290521a(21) =436921a(22) =452929a(23) =458329a(24) =474721a(25) =670761a(26) =690561a(27) =2143296a(28) =3470769a(29) =4145296

External references