A048562 a(n+1)^2 is next smallest nontrivial square beginning with a(n)^2, initial square is 9.

3, 31, 3101, 31010001, 3101000100000001, 9806223340409913487644162249555, 310100010000000100000000000000014337285304591730671503423653032

Offset: 0

Author

Patrick De Geest, May 15 1999

Keywords

• nonn
• base

Comments

Next terms are 126, 251 and 502 digits long.

Crossrefs

Cf. A048561.