A050638 a(n+1) is next smallest square ending with a(n), initial term is 9.
9, 49, 1849, 1671849, 24011671849, 408646172724011671849, 14079962896835441528408646172724011671849, 30988070410883251650062468506470600085614079962896835441528408646172724011671849
Offset: 1
Extensions
More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Nov 06 2001