1,1
Cf. A057475.
Sequence in context: A047695 A093842 A050971 this_sequence A009515 A070944 A077167
Adjacent sequences: A118852 A118853 A118854 this_sequence A118856 A118857 A118858
nonn,more
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 02 2006
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