A034981 Smallest square starting with a string of n 2's.

25, 225, 22201, 22221796, 2222273881, 222222674025, 2222222266944, 2222222266944, 222222222419239441, 2222222222222640225, 2222222222222640225, 2222222222222640225, 2222222222222640225, 2222222222222206355369284609, 22222222222222228256442000196, 22222222222222228256442000196, 222222222222222222935940601965604, 222222222222222222935940601965604, 222222222222222222284545443509812489, 222222222222222222220398849165671296576

Offset: 1

Author

Patrick De Geest, Nov 15 1998

Keywords

• nonn
• base

Crossrefs

Cf. A034980.

Extensions

More terms from Francisco Salinas (franciscodesalinas(AT)hotmail.com), Dec 23 2001