:Get this! Adding those four terms takes the total for the 20th century to 160 - we're getting very close to a perfect geometric progression. [[User:BenjyB|BenjyB]] 19:07, 14 July 2010 (EDT) | :Get this! Adding those four terms takes the total for the 20th century to 160 - we're getting very close to a perfect geometric progression. [[User:BenjyB|BenjyB]] 19:07, 14 July 2010 (EDT) |