1,1
Cf. A092178, A155938, A155939
Sequence in context: A045409 A141164 A141165 this_sequence A050566 A032382 A136084
Adjacent sequences: A155934 A155935 A155936 this_sequence A155938 A155939 A155940
nonn
Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 31 2009
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