A048560 a(n+1)^2 is next smallest nontrivial square beginning with a(n)^2, initial square is 4.

2, 7, 222, 70203, 22200137858, 2220013785800000000001, 7020300000101169666284501016647428364760574, 22200137858000000000010000000000000000000001726952547826525063393038550959517040374473

Offset: 0

Author

Patrick De Geest, May 15 1999

Keywords

• nonn
• base

Comments

Next terms are 171 and 343 digits long.

Crossrefs

Cf. A048559.