2,1
See A147666
Sequence in context: A088621 A088623 A167166 this_sequence A087556 A082268 A087557
Adjacent sequences: A147762 A147763 A147764 this_sequence A147766 A147767 A147768
nonn,uned,more
Milton L. Brown (miltbrown(AT)earthlink.net), Nov 11 2008
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