1,1
Cf. A092178, A155937, A155939
Sequence in context: A136084 A045410 A106902 this_sequence A158318 A099596 A063693
Adjacent sequences: A155935 A155936 A155937 this_sequence A155939 A155940 A155941
nonn
Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 31 2009
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