1,1
Cf. A069351.
Adjacent sequences: A069347 A069348 A069349 this_sequence A069351 A069352 A069353
Sequence in context: A111227 A111693 A100032 this_sequence A053845 A072610 A110954
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 18 2002
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