Squares whose external digits (MSD and LSD) as well as internal digits form squares.

A077357

Squares whose external digits (MSD and LSD) as well as internal digits form squares.

Terms

    a(0) =0a(1) =1a(2) =4a(3) =9a(4) =16a(5) =25a(6) =36a(7) =49a(8) =64a(9) =81a(10) =196a(11) =841a(12) =10816a(13) =38416a(14) =132496a(15) =405769a(16) =3013696a(17) =8003241a(18) =10010896a(19) =17106496a(20) =82246761a(21) =1021697296a(22) =32747969296a(23) =86925318561a(24) =119013960256

External references