A050635 a(n+1)^2 is next smallest square ending with a(n)^2, initial term is 1.
1, 9, 41, 1209, 469959, 176270001209, 6042408942999999530041, 16385871165869048127200000000000176270001209, 28444329561227422116741433513058707457037799999999999999999999993957591057000000469959
Offset: 1
Extensions
More terms from Jonathan Cross (jcross(AT)wcox.com), Oct 09 2001