> ID Number: A000696 (Formerly M4397 and N1853) > Sequence: 1,7,31,37,109,121,127,133,151,157,403,421,511,529,631,637, > 661,679,1579,1621,1633,1969,1981,2017,2041,2047,2053,2071, > 2077,2143,2149,2167 > Name: Good numbers. n such that (1,n) is "good"