1,1
A000052 is a better version of this sequence.
Sequence in context: A021121 A199956 A000052 * A157414 A021543 A201295
Adjacent sequences: A072988 A072989 A072990 * A072992 A072993 A072994
easy,nonn,word,fini,full
Brian Nichols (brni(AT)weinberggroup.com), Aug 21 2002